{"id":78138,"date":"2026-11-04T14:16:24","date_gmt":"2026-11-04T19:16:24","guid":{"rendered":"https:\/\/alumni.cornell.edu\/cornellians\/?p=78138"},"modified":"2026-11-04T14:16:25","modified_gmt":"2026-11-04T19:16:25","slug":"fuertes-observatory","status":"publish","type":"post","link":"https:\/\/alumni.cornell.edu\/cornellians\/fuertes-observatory\/","title":{"rendered":"Fuertes Observatory Has Been Surveying the Skies for a Century"},"content":{"rendered":"\n<p class=\"has-large-font-size wp-block-paragraph\">You have gone stargazing there\u2014but did you know that it\u2019s not Cornell\u2019s first astronomical facility (or even its third)?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">By <strong>Joe Wilensky<\/strong><\/p>\n\n\n\n<p class=\"has-drop-cap wp-block-paragraph\">As the sun set during a clear, mild Friday evening early in the fall 2026 semester, visitors thronged the rooftop deck of Fuertes Observatory. The darkening skies were bringing an increasing number of stars into view, and several standing telescopes offered magnified vistas of distant celestial objects. Students from the <a rel=\"noopener noreferrer\" target=\"_blank\" href=\"https:\/\/www.cornellastrosociety.org\/\">Cornell Astronomical Society<\/a> helped operate the instruments, managed the crowd, and explained some of the night sky\u2019s visible features.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_142-A-1024x576.jpg\" alt=\"visitors point out constellations as night falls during a Friday evening open house at Fuertes Observatory in fall 2026\" class=\"wp-image-78146\" srcset=\"https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_142-A-1024x576.jpg 1024w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_142-A-300x169.jpg 300w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_142-A-768x432.jpg 768w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_142-A-1536x864.jpg 1536w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_142-A-800x450.jpg 800w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_142-A-608x342.jpg 608w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_142-A-304x171.jpg 304w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_142-A-152x85.jpg 152w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_142-A-1184x666.jpg 1184w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_142-A-592x333.jpg 592w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_142-A-296x166.jpg 296w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_142-A-1264x711.jpg 1264w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_142-A-632x356.jpg 632w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_142-A-316x178.jpg 316w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_142-A-400x225.jpg 400w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_142-A-200x113.jpg 200w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_142-A-100x56.jpg 100w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_142-A.jpg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"rkv-image-credit\">Sreang Hok \/ Cornell University<\/figcaption><figcaption class=\"wp-element-caption\">Stargazers on the rooftop deck.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">For more than half a century, the student group has hosted weekly open houses and tours at the observatory during the academic year, with the events open to Cornellians and the local community.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cIt\u2019s a lot of outreach every Friday night\u2014eight to midnight, rain or shine, clouds or not,\u201d says Treyton Grahn \u201927, the group\u2019s president.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">It\u2019s a lot of outreach every Friday night\u2014eight to midnight, rain or shine, clouds or not.<\/p>\n<cite><strong>Treyton Grahn \u201927<\/strong>, Cornell Astronomical Society president<\/cite><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">If the weather doesn\u2019t cooperate for live stargazing, there is <a rel=\"noopener noreferrer\" target=\"_blank\" href=\"https:\/\/www.cornellastrosociety.org\/events\/past\/museum\/overview\/\">a museum<\/a> in one wing of the building, showcasing the history of the observatory and of astronomy on the Hill; a collection of vintage astronomical instruments; and an illuminated gallery of night-sky images taken from the site.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Renovated and upgraded in the past decade, the museum also features a section devoted to famed astronomy professor Carl Sagan.<\/p>\n\n\n\n<figure class=\"wp-block-image alignwide size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_61-A-1024x576.jpg\" alt=\"visitors gaze up at the dome inside Fuertes Observatory during a tour of the facility at a Friday evening open house\" class=\"wp-image-78145\" srcset=\"https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_61-A-1024x576.jpg 1024w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_61-A-300x169.jpg 300w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_61-A-768x432.jpg 768w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_61-A-1536x864.jpg 1536w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_61-A-800x450.jpg 800w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_61-A-608x342.jpg 608w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_61-A-304x171.jpg 304w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_61-A-152x85.jpg 152w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_61-A-1184x666.jpg 1184w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_61-A-592x333.jpg 592w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_61-A-296x166.jpg 296w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_61-A-1264x711.jpg 1264w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_61-A-632x356.jpg 632w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_61-A-316x178.jpg 316w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_61-A-400x225.jpg 400w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_61-A-200x113.jpg 200w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_61-A-100x56.jpg 100w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_61-A.jpg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"rkv-image-credit\">Sreang Hok \/ Cornell University<\/figcaption><figcaption class=\"wp-element-caption\">Visitors admire the telescope and dome.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The building\u2019s\u2014um\u2014<em>star<\/em> attraction, though, is located under the cavernous rotating dome: fondly known as \u201cIrv,\u201d the Irving Porter Church Telescope marked <a rel=\"noopener noreferrer\" target=\"_blank\" href=\"https:\/\/news.cornell.edu\/stories\/2022\/10\/crowd-gathers-wish-happy-birthday-fuertes-telescope\">its 100th birthday<\/a> in 2022.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Grahn, an astrophysics major in Arts &amp; Sciences, notes that his fondest Cornell memory so far is \u201clooking through Irv at Saturn that first time; it was my \u2018aha\u2019 moment.\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Irv is one of only a handful of vintage refracting telescopes around the globe that are still operated completely mechanically, with a hand-wound, weight-driven clockwork system that allows it to track the sky as the Earth rotates on its axis.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Says Grahn: \u201cIt\u2019s quite a marvel.\u201d<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4039-A-1024x576.jpg\" alt=\"visitors view an illuminated wall of astrophotography images taken from Fuertes Observatory in the building&apos;s museum wing during an open house\" class=\"wp-image-78148\" srcset=\"https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4039-A-1024x576.jpg 1024w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4039-A-300x169.jpg 300w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4039-A-768x432.jpg 768w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4039-A-1536x864.jpg 1536w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4039-A-800x450.jpg 800w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4039-A-608x342.jpg 608w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4039-A-304x171.jpg 304w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4039-A-152x85.jpg 152w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4039-A-1184x666.jpg 1184w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4039-A-592x333.jpg 592w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4039-A-296x166.jpg 296w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4039-A-1264x711.jpg 1264w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4039-A-632x356.jpg 632w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4039-A-316x178.jpg 316w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4039-A-400x225.jpg 400w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4039-A-200x113.jpg 200w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4039-A-100x56.jpg 100w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4039-A.jpg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"rkv-image-credit\">Joe Wilensky \/ Cornell University<\/figcaption><figcaption class=\"wp-element-caption\">The museum includes an illuminated wall of starry imagery &#8230;<\/figcaption><\/figure>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_005-A-1024x576.jpg\" alt=\"a student shows some of the historic instruments at the Fuertes Observatory Museum during a Friday evening open house, fall 2026\" class=\"wp-image-78142\" srcset=\"https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_005-A-1024x576.jpg 1024w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_005-A-300x169.jpg 300w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_005-A-768x432.jpg 768w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_005-A-1536x864.jpg 1536w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_005-A-800x450.jpg 800w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_005-A-608x342.jpg 608w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_005-A-304x171.jpg 304w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_005-A-152x85.jpg 152w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_005-A-1184x666.jpg 1184w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_005-A-592x333.jpg 592w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_005-A-296x166.jpg 296w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_005-A-1264x711.jpg 1264w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_005-A-632x356.jpg 632w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_005-A-316x178.jpg 316w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_005-A-400x225.jpg 400w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_005-A-200x113.jpg 200w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_005-A-100x56.jpg 100w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_005-A.jpg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"rkv-image-credit\">Sreang Hok \/ Cornell University<\/figcaption><figcaption class=\"wp-element-caption\">&#8230; and exhibits of vintage telescopes and artifacts from Cornell astronomy history.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">That evening in early fall, the longest line was to take a turn gazing through Irv at the Hercules Globular Cluster, a glittering spherical ball of several hundred thousand stars. Located nearly 25,000 light years from Earth, it\u2019s estimated to be more than 11 billion years old, making it one of the oldest such clusters in the Milky Way.<\/p>\n\n\n\n<figure class=\"wp-block-pullquote alignwide is-style-solid-color\"><blockquote><p> The Irving Porter Church Telescope, fondly known as \u201cIrv,\u201d marked its 100th birthday in 2022.<\/p><\/blockquote><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Visitors also had a chance to view the Andromeda Galaxy\u2014the nearest large galaxy to ours\u2014and got a primer on how to identify some of the most common constellations visible from the Northern Hemisphere.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In addition to the weekly open houses, the Astronomical Society hosts special events at the observatory, such as viewings of lunar eclipses, and <a rel=\"noopener noreferrer\" target=\"_blank\" href=\"https:\/\/www.cornellastrosociety.org\/events\/lectures\/\">holds lecture series<\/a> by astronomy faculty and researchers\u2014all open to the public.<\/p>\n\n\n\n<figure class=\"wp-block-image alignwide size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/UP_2017_1080_010-A-1024x576.jpg\" alt=\"Cornellians gather on the lawn outside Fuertes Observatory to view a solar eclipse in 2017\" class=\"wp-image-78153\" srcset=\"https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/UP_2017_1080_010-A-1024x576.jpg 1024w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/UP_2017_1080_010-A-300x169.jpg 300w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/UP_2017_1080_010-A-768x432.jpg 768w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/UP_2017_1080_010-A-1536x864.jpg 1536w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/UP_2017_1080_010-A-800x450.jpg 800w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/UP_2017_1080_010-A-608x342.jpg 608w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/UP_2017_1080_010-A-304x171.jpg 304w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/UP_2017_1080_010-A-152x85.jpg 152w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/UP_2017_1080_010-A-1184x666.jpg 1184w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/UP_2017_1080_010-A-592x333.jpg 592w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/UP_2017_1080_010-A-296x166.jpg 296w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/UP_2017_1080_010-A-1264x711.jpg 1264w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/UP_2017_1080_010-A-632x356.jpg 632w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/UP_2017_1080_010-A-316x178.jpg 316w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/UP_2017_1080_010-A-400x225.jpg 400w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/UP_2017_1080_010-A-200x113.jpg 200w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/UP_2017_1080_010-A-100x56.jpg 100w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/UP_2017_1080_010-A.jpg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"rkv-image-credit\">Cornell University<\/figcaption><figcaption class=\"wp-element-caption\">Fuertes\u2019s knoll has long been an ideal spot to view celestial events, such as the 2017 total solar eclipse.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">But casual visitors to the historic observatory\u2014which was built in 1917 on a high knoll above the northern edge of Beebe Lake\u2014likely don\u2019t realize that it isn\u2019t Cornell\u2019s first such facility; in fact, it\u2019s the fourth.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The structure\u2019s namesake, Estevan Antonio Fuertes, was a professor of civil engineering who requested that the University build and equip an observatory for his students.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(Civil engineers then used stellar observations chiefly to calculate time and position in order to survey land and measure distances.)<\/p>\n\n\n\n<figure class=\"wp-block-image alignwide size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4009-A-1024x683.jpg\" alt=\"view of the interior of the Fuertes Observatory dome with the &quot;Irv&quot; telescope pointed up at the stars\" class=\"wp-image-78147\" srcset=\"https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4009-A-1024x683.jpg 1024w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4009-A-300x200.jpg 300w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4009-A-768x512.jpg 768w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4009-A-1536x1024.jpg 1536w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4009-A-1264x843.jpg 1264w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4009-A-632x421.jpg 632w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4009-A-316x211.jpg 316w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4009-A-400x267.jpg 400w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4009-A-200x133.jpg 200w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4009-A-100x67.jpg 100w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4009-A.jpg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"rkv-image-credit\">Joe Wilensky \/ Cornell University<\/figcaption><figcaption class=\"wp-element-caption\">The dome is a window to the wonders of the night sky.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">That first building was a small wooden structure on the Arts Quad\u2014on the current site of Goldwin Smith\u2019s north end, to be exact\u2014erected around 1888.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">But as central campus grew, the observatory was demolished and rebuilt several times.<\/p>\n\n\n\n<figure class=\"wp-block-pullquote alignwide is-style-solid-color\"><blockquote><p>That first observatory was a small wooden structure on the Arts Quad erected around 1888.<\/p><\/blockquote><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Its second iteration, from 1895\u20131901, was approximately where Stimson Hall now stands. It was completely rebuilt again in 1902\u201303, when a trustee helped fund a more substantial brick facility that sported three domes, on the current location of Barton Hall.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">After that third version was demolished in 1914 to make way for the drill hall, today\u2019s observatory\u2014with its 24-foot diameter steel dome\u2014was constructed on what was then the Hasbrouck poultry farm.<\/p>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\">A Brief History of Star-Gazing<\/h2>\n\n\n\n<section aria-label=\"Image Carousel\" class=\"wp-block-rkv-carousel rkv-swiper swiper is-caption-align-center\"><div class=\"alignfull swiper-buttons\"><div class=\"swiper-button-prev\"><\/div><div class=\"swiper-button-next\"><\/div><\/div><div class=\"swiper-wrapper\">\n<figure class=\"wp-block-image size-large rkv-carousel__image swiper-slide is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"577\" src=\"https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4097-1024x577.jpeg\" alt=\"Cornellians line up to view either an eclipse or the transit of Venus in the early 1880s, before the University had an observatory building\" class=\"wp-image-78156\" srcset=\"https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4097-1024x577.jpeg 1024w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4097-300x169.jpeg 300w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4097-768x432.jpeg 768w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4097-1536x865.jpeg 1536w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4097-800x450.jpeg 800w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4097-608x342.jpeg 608w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4097-304x171.jpeg 304w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4097-152x85.jpeg 152w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4097-1184x666.jpeg 1184w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4097-592x333.jpeg 592w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4097-296x166.jpeg 296w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4097-1264x712.jpeg 1264w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4097-632x356.jpeg 632w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4097-316x178.jpeg 316w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4097-400x225.jpeg 400w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4097-200x113.jpeg 200w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4097-100x56.jpeg 100w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4097.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Cornellians line up to view a transit of Venus in the 1880s.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large rkv-carousel__image swiper-slide is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"516\" src=\"https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4101-A-1024x516.jpg\" alt=\"two children sit on the edge of what was Cornell&apos;s first observatory, located where the north end of Goldwin Smith Hall is today, 1888\u201392\" class=\"wp-image-78152\" srcset=\"https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4101-A-1024x516.jpg 1024w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4101-A-300x151.jpg 300w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4101-A-768x387.jpg 768w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4101-A-1536x774.jpg 1536w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4101-A-1264x637.jpg 1264w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4101-A-632x318.jpg 632w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4101-A-316x159.jpg 316w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4101-A-400x202.jpg 400w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4101-A-200x101.jpg 200w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4101-A-100x50.jpg 100w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4101-A.jpg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">The first observatory on the edge of the early Arts Quad, 1888\u201392.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large rkv-carousel__image swiper-slide is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"470\" src=\"https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4089-A-1024x470.jpg\" alt=\"Cornell&apos;s second observatory, left of center on what is today the site of Stimson Hall, as viewed from the roof of Sage College (now Sage Hall), 1895\u20131901\" class=\"wp-image-78150\" srcset=\"https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4089-A-1024x470.jpg 1024w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4089-A-300x138.jpg 300w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4089-A-768x353.jpg 768w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4089-A-1536x706.jpg 1536w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4089-A-1264x581.jpg 1264w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4089-A-632x290.jpg 632w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4089-A-316x145.jpg 316w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4089-A-400x184.jpg 400w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4089-A-200x92.jpg 200w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4089-A-100x46.jpg 100w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4089-A.jpg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">The second observatory (center left), viewed from Sage Hall, sits where Stimson Hall is today.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large rkv-carousel__image swiper-slide is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"513\" src=\"https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4093-A-1024x513.jpg\" alt=\"this three-domed observatory, Cornell&apos;s third, was built on what would later be the site of Barton Hall and resided there from 1901\u201314\" class=\"wp-image-78151\" srcset=\"https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4093-A-1024x513.jpg 1024w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4093-A-300x150.jpg 300w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4093-A-768x385.jpg 768w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4093-A-1536x770.jpg 1536w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4093-A-1264x634.jpg 1264w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4093-A-632x317.jpg 632w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4093-A-316x158.jpg 316w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4093-A-400x201.jpg 400w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4093-A-200x100.jpg 200w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4093-A-100x50.jpg 100w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4093-A.jpg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">The three-domed Barnes Observatory was constructed on the site of the future Barton Hall.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large rkv-carousel__image swiper-slide is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"690\" src=\"https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4085-A-1024x690.jpg\" alt=\"Fuertes Observatory soon after it was completed, 1917\u201321\" class=\"wp-image-78149\" srcset=\"https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4085-A-1024x690.jpg 1024w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4085-A-300x202.jpg 300w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4085-A-768x517.jpg 768w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4085-A-1536x1035.jpg 1536w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4085-A-1264x852.jpg 1264w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4085-A-632x426.jpg 632w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4085-A-316x213.jpg 316w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4085-A-400x270.jpg 400w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4085-A-200x135.jpg 200w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4085-A-100x67.jpg 100w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/DSCF4085-A.jpg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Fuertes originally had no neighbors on North Campus.<\/figcaption><\/figure>\n<\/div><div class=\"swiper-pagination\"><\/div><\/section>\n\n\n\n<p class=\"wp-block-paragraph\">It wasn\u2019t until a few years later that money was raised for a suitable telescope; the campaign was led by Prof. Irving Porter Church 1873, a mechanical engineering major who had become a professor of applied mechanics and hydraulics.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Church sourced lenses from the University of Chicago\u2019s Yerkes Observatory, which had a pair of surplus 12-inch glass blanks.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">He then organized an alumni fundraising effort\u2014he donated $1,000 (roughly $17,500 today) himself\u2014to have them ground, polished, and built into a suitable telescope mounting.<\/p>\n\n\n\n<figure class=\"wp-block-image alignwide size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"976\" height=\"781\" src=\"https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/Irv_telescope_in_1923.jpeg\" alt=\"The Irving Porter Church Memorial Telescope soon after its completion and installation in Fuertes Observatory, 1923\" class=\"wp-image-78168\" srcset=\"https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/Irv_telescope_in_1923.jpeg 976w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/Irv_telescope_in_1923-300x240.jpeg 300w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/Irv_telescope_in_1923-768x615.jpeg 768w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/Irv_telescope_in_1923-632x506.jpeg 632w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/Irv_telescope_in_1923-316x253.jpeg 316w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/Irv_telescope_in_1923-400x320.jpeg 400w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/Irv_telescope_in_1923-200x160.jpeg 200w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/Irv_telescope_in_1923-100x80.jpeg 100w\" sizes=\"auto, (max-width: 976px) 100vw, 976px\" \/><figcaption class=\"wp-element-caption\">The new \u201cIrv\u201d in 1923.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The instrument was formally dedicated in June 1923, with festivities culminating in a chance for Church\u2019s students and their friends to view Jupiter, Saturn, and the globular cluster in Hercules.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cA goodly number availed themselves of the opportunity,\u201d Prof. Samuel Boothroyd later recalled in <em>Popular Astronomy<\/em> magazine, \u201cand were favored with clear skies and good &#8216;seeing.\u2019\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Top: Visuals by Sreang Hok \/ Cornell University. All vintage images in this story courtesy of Rare and Manuscript Collections.<\/em><\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Published November 4, 2026<\/p>\n\n\n\n<hr class=\"wp-block-separator aligncenter has-alpha-channel-opacity is-style-dots\" \/>\n","protected":false},"excerpt":{"rendered":"<p>You have gone stargazing there\u2014but did you know that it\u2019s not Cornell\u2019s first astronomical facility (or even its third)?<\/p>\n","protected":false},"author":67,"featured_media":78144,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"alumni_hub_syml_posts":[33933,64968,43646],"footnotes":""},"categories":[224],"tags":[],"cornell_year_post":[],"class_list":["post-78138","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cornelliana"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Fuertes Observatory Has Been Surveying the Skies for a Century - Cornellians | Cornell University<\/title>\n<meta name=\"description\" content=\"You have gone stargazing there\u2014but did you know that it\u2019s not Cornell\u2019s first astronomical facility (or even its third)?\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/alumni.cornell.edu\/cornellians\/fuertes-observatory\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fuertes Observatory Has Been Surveying the Skies for a Century - Cornellians | Cornell University\" \/>\n<meta property=\"og:description\" content=\"You have gone stargazing there\u2014but did you know that it\u2019s not Cornell\u2019s first astronomical facility (or even its third)?\" \/>\n<meta property=\"og:url\" content=\"https:\/\/alumni.cornell.edu\/cornellians\/fuertes-observatory\/\" \/>\n<meta property=\"og:site_name\" content=\"Cornellians | Cornell University\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Cornellians\" \/>\n<meta property=\"article:published_time\" content=\"2026-11-04T19:16:24+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-11-04T19:16:25+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2026\/11\/2026_1172_SH_51-A.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1600\" \/>\n\t<meta property=\"og:image:height\" content=\"900\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Joe Wilensky\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@WeCornellians\" \/>\n<meta name=\"twitter:site\" content=\"@WeCornellians\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Joe Wilensky\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/alumni.cornell.edu\\\/cornellians\\\/fuertes-observatory\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/alumni.cornell.edu\\\/cornellians\\\/fuertes-observatory\\\/\"},\"author\":{\"name\":\"Joe Wilensky\",\"@id\":\"https:\\\/\\\/alumni.cornell.edu\\\/cornellians\\\/#\\\/schema\\\/person\\\/eb12371d369d4c9b51867971301228e2\"},\"headline\":\"Fuertes Observatory Has Been Surveying the Skies for a Century\",\"datePublished\":\"2026-11-04T19:16:24+00:00\",\"dateModified\":\"2026-11-04T19:16:25+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/alumni.cornell.edu\\\/cornellians\\\/fuertes-observatory\\\/\"},\"wordCount\":1006,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/alumni.cornell.edu\\\/cornellians\\\/fuertes-observatory\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/alumni.cornell.edu\\\/cornellians\\\/wp-content\\\/uploads\\\/sites\\\/2\\\/2026\\\/11\\\/2026_1172_SH_51-A.jpg\",\"articleSection\":[\"Cornelliana\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/alumni.cornell.edu\\\/cornellians\\\/fuertes-observatory\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/alumni.cornell.edu\\\/cornellians\\\/fuertes-observatory\\\/\",\"url\":\"https:\\\/\\\/alumni.cornell.edu\\\/cornellians\\\/fuertes-observatory\\\/\",\"name\":\"Fuertes Observatory Has Been Surveying the Skies for a Century - 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