{"id":485,"date":"2021-10-06T16:52:24","date_gmt":"2021-10-06T16:52:24","guid":{"rendered":"https:\/\/www.butler.edu\/arts-sciences\/holcomb-observatory\/history\/"},"modified":"2026-01-06T09:46:46","modified_gmt":"2026-01-06T14:46:46","slug":"history","status":"publish","type":"page","link":"https:\/\/www.butler.edu\/arts-sciences\/holcomb-observatory\/history\/","title":{"rendered":"History"},"content":{"rendered":"<section class=\"wysiwyg wysiwyg-primary-block alignfull\" >\n\t<div class=\"container grid-default wysiwyg__container\">\n\t\t\t\t\t\t<nav class=\"sidebar-menu \" aria-label=\"Site Menu\" id=\"page-nav\">\n\t\t<div class=\"sidebar-menu__wrapper\">\n\t\t\t<header class=\"sidebar-menu__header\">\n\t\t\t\t<span class=\"sidebar-menu__headerLabel\">Holcomb Observatory Menu<\/span>\n\n\t\t\t\t\t\t\t\t<button class=\"sidebar-menu__mobileToggle\" title=\"Toggle Menu\" :aria-expanded=\"mobileOpen\"><\/button>\n\t\t\t\t\t\t\t<\/header>\n\n\t\t\t<ul class=\"sidebar-menu__list\" v-show=\"mobileOpen\">\n\t\t\t\t\t\t\t\t\t<li class=\"sidebar-menu__listItem initial-item\">\n\t\t\t\t\t\t<a href=\"\/arts-sciences\/holcomb-observatory\/public-tours\" class=\"sidebar-menu__listLink\" >Weekend Public Tours<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t<li class=\"sidebar-menu__listItem initial-item\">\n\t\t\t\t\t\t<a href=\"\/arts-sciences\/holcomb-observatory\/private-tours\" class=\"sidebar-menu__listLink\" >Private Group Tours<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t<li class=\"sidebar-menu__listItem initial-item\">\n\t\t\t\t\t\t<a href=\"http:\/\/www.skyandtelescope.com\/observing\/sky-at-a-glance\/\" class=\"sidebar-menu__listLink\" target=\"_blank\">The Current Night Sky<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t<li class=\"sidebar-menu__listItem initial-item\">\n\t\t\t\t\t\t<a href=\"http:\/\/www.skymaps.com\/downloads.html\" class=\"sidebar-menu__listLink\" target=\"_blank\">Star Charts<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t<li class=\"sidebar-menu__listItem initial-item\">\n\t\t\t\t\t\t<a href=\"\/arts-sciences\/holcomb-observatory\/satellites\" class=\"sidebar-menu__listLink\" >Visible Satellites<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t<li class=\"sidebar-menu__listItem initial-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/skyandtelescope.org\/astronomy-equipment\/how-to-choose-a-telescope\/\" class=\"sidebar-menu__listLink\" target=\"_blank\">Buying a Telescope<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t<li class=\"sidebar-menu__listItem initial-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/iauarchive.eso.org\/public\/themes\/buying_star_names\/\" class=\"sidebar-menu__listLink\" target=\"_blank\">Buying a Star<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t<li class=\"sidebar-menu__listItem initial-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.darksky.org\/\" class=\"sidebar-menu__listLink\" target=\"_blank\">Light Pollution<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t<li class=\"sidebar-menu__listItem hide-overflow\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.butler.edu\/arts-sciences\/physics-astrophysics-astronomy\/southeastern-association-research-astronomy\/\" class=\"sidebar-menu__listLink\" target=\"_blank\">SARA Observatory<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t<li class=\"sidebar-menu__listItem hide-overflow\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.butler.edu\/arts-sciences\/physics-astrophysics-astronomy\/\" class=\"sidebar-menu__listLink\" target=\"_blank\">Physics\/Astrophysics &#038; Astronomy Department<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t<\/ul>\n\t\t<\/div>\n\t\t\t\t<button class=\"sidebar-menu__desktopToggle\" v-text=\"desktopLabel\" :aria-expanded=\"desktopOpen\">More Links<\/button>\n\t\t\t<\/nav>\n\t\t\t\t<div class=\"wysiwyg__wrapper wysiwyg__wrapper--hasSidebar\">\n\t\t\t<!-- content from editor -->\n\t\t\t<div class=\"wysiwyg__content wysiwyg__contentContainer\">\n\t\t\t\t<div class=\"acf-innerblocks-container\">\n\n<h1 class=\"wp-block-heading has-text-align-left\" id=\"h-history-of-the-holcomb-observatory\">History of the Holcomb Observatory<\/h1>\n\n\n\n<div class=\"wp-block-group alignfull\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group is-content-justification-center is-nowrap is-layout-flex wp-container-core-group-is-layout-94bc23d7 wp-block-group-is-layout-flex\">\n<figure class=\"wp-block-image is-resized\"><img decoding=\"async\" src=\"https:\/\/cdn.butler.edu\/www\/sites\/12\/2021\/11\/08102706\/butler_college_observatory_irvington_campus-300x199.png\" alt=\"The Butler College Observatory located on the Irvington campus.\" style=\"width:372px;height:auto\"\/><figcaption class=\"wp-element-caption\">The Butler College Observatory located on the Irvington campus.<\/figcaption><\/figure>\n<\/div>\n<\/div><\/div>\n\n\n\n<p>Astronomy first took root at Butler in the late 1800s when the university was located in Irvington on the east side of Indianapolis. In 1889 Joseph I. Irwin, a member of the Butler University board of trustees from Columbus, Indiana, helped the University obtain its first observatory. It was a small round building made of sheet metal with a dome and an opening through which the 6-inch refracting telescope could view the sky. The 6-inch refracting telescope was purchased from the estate of Robert McKim of Madison, Indiana by Irwin in 1889. The lens was made by Alvan Clark &amp; Sons in 1883 and was originally part of McKim&#8217;s personal observatory located near his home.&nbsp;<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"810\" height=\"405\" src=\"https:\/\/cdn.butler.edu\/www\/sites\/12\/2025\/09\/18145702\/image001-1.png\" alt=\"\" class=\"wp-image-20442\" style=\"width:455px;height:auto\" srcset=\"https:\/\/cdn.butler.edu\/www\/sites\/12\/2025\/09\/18145702\/image001-1.png 810w, https:\/\/cdn.butler.edu\/www\/sites\/12\/2025\/09\/18145702\/image001-1-300x150.png 300w, https:\/\/cdn.butler.edu\/www\/sites\/12\/2025\/09\/18145702\/image001-1-768x384.png 768w\" sizes=\"auto, 100vw\" \/><figcaption class=\"wp-element-caption\">Article from the October 3rd, 1889 edition of the Indianapolis News detailing the sale of the 6-inch refracting telescope to Butler University.<\/figcaption><\/figure>\n<\/div>\n\n\n<p>After Butler University was moved to the north side of Indianapolis in 1928, the telescope was dismantled and stored, and the Irvington observatory was torn down. In the 1930s the telescope was repaired and remounted by Will Irwin, the son of Joseph I. Irwin and&nbsp;also a&nbsp;member of the Butler board of trustees. However, during World War II courses in astronomy were discontinued and the telescope was not used until October 1945 when the Math club had the privilege of using it.<\/p>\n\n\n<div class=\"wp-block-image is-resized\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/cdn.butler.edu\/www\/sites\/12\/2021\/11\/08102702\/observabory-construction-300x202.jpeg\" alt=\"This picture shows the support structure for the telescope pier. Note the highlighted region where the pier will sit. This structure does not come in contact with the rest of the building so that vibration of the telescope is minimized.\" style=\"width:337px;height:auto\"\/><figcaption class=\"wp-element-caption\">The support structure for the telescope pier. Note the highlighted region where the pier will sit. This structure does not come in contact with the rest of the building so that vibration of the telescope is minimized.<br><\/figcaption><\/figure>\n<\/div>\n\n\n<p>In April 1953, Indianapolis industrialist and vice president of the Butler board of trustees James Irving Holcomb and his wife, gave $250,000 to the university for the construction of an observatory as a gift for the university&#8217;s centennial celebration. The observatory was intended for public use and student learning. Initially the observatory was supposed to house a 24-inch telescope valued at $30,000 in 1953 dollars, but in October 1953 a larger 38-inch mirror was available and Holcomb jumped at the chance to have the largest telescope in the state of Indiana and the ninth largest in the United States. This raised the cost of the telescope to $48,500 and the total project cost to $325,000. In October of 1954 the telescope was installed by <a href=\"https:\/\/www.butler.edu\/arts-sciences\/holcomb-observatory\/jw-fecker\/\" rel=\"noopener\" target=\"_blank\" title=\"J.W. Fecker\">J.W. Fecker, Inc<\/a>. The telescope and assemblage was shipped to Indianapolis from Pittsburgh by truck. Installation of the telescope in the 50 foot high dome&nbsp;was done&nbsp;by crane (even today a crane must be used to get the 600 pound mirror from the dome to ground level for resurfacing every five years or so).<\/p>\n\n\n<div class=\"wp-block-image is-resized\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/cdn.butler.edu\/www\/sites\/12\/2021\/11\/08102702\/jamesirvingholcomb-298x300.jpeg\" alt=\"James Irving Holcomb (right) standing next to the optical tube assembly just before it was hoisted into the dome of the observatory.\"\/><figcaption class=\"wp-element-caption\">James Irving Holcomb (right) standing next to the optical tube assembly just before it was hoisted into the dome of the observatory.<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Governor George N. Craig delivered the dedicatory address and Charles F. Kettering, vice president and director of General Motors Corporation, spoke at the dedication dinner on November 5th 1954. The observatory was placed on a high knoll on the north end of the Butler academic campus, adjacent to the woods of the Holcomb Gardens. The observatory is visible from 38th street and to motorist driving northward on Clarendon Road. Riding piggyback on the 38-inch telescope was the original and refurbished Clark 6-inch telescope from the Irvington campus, which remains there to this day.<\/p>\n\n\n\n<p>In addition to the telescope, the observatory has a lobby, clock room, classroom, and planetarium. The lobby is considered by designers as the &#8220;showplace&#8221; of the building. This is a 14 foot replica of the zodiac dome in brilliantly colored terrazzo on the floor. Ceiling spotlights emphasize the design and colors. A cantilever stairway, also bearing zodiac and planet signs in iron, winds upward to the dome and telescope. Along the stairway and on the landings are 20 lighted cases containing images from telescopes and spacecraft. The planetarium is both a laboratory and theater, used to examine the motion of celestial objects and learn the location and motions of these objects. The entire celestial sphere can be projected, making it look as if you were outside far away from the light pollution of Indianapolis. The day or night sky can be presented, and we can accelerate time and motions of celestial objects to view the past or future.<\/p>\n\n\n<div class=\"wp-block-image is-resized\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/cdn.butler.edu\/www\/sites\/12\/2021\/11\/08102702\/observatory-domeincomplete.jpeg\" alt=\"This picture shows the dome just before completion. The original dome was made of wood. After several decades of Indiana weather the dome was replaced with the current aluminum dome.\" style=\"width:210px;height:auto\"\/><figcaption class=\"wp-element-caption\">The dome just before completion. The original dome was made of wood. After several decades of Indiana weather, the dome was replaced with the current aluminum dome.<\/figcaption><\/figure>\n<\/div>\n\n\n<p>In 1995, Butler University began the first phases to upgrade the 38-inch telescope. The 5,000-pound telescope was mechanically and structurally sound but was difficult for the observer to use because it had to be moved from target to target by hand. The refurbishment of the telescope was done by AB Engineering of Ft Wayne, Indiana. Slewing motors were added to the telescope so that it no longer had to be moved by hand and to allow computer controlled pointing of the telescope. This refurbishment of the telescope was finished in April 1997. The upgrade made deep imaging possible; celestial objects 6 million times fainter than the human eye can now be detected through the Holcomb Telescope using its FLI Proline 230 digital camera. The telescope has been used for both introductory and advanced courses and several student research projects, particularly for determining critical asteroid rotation rates, eclipsing binary stars, examining variability of dying supergiant stars, and following transiting exoplanets.<\/p>\n\n\n\n<p>In 2008, Butler University strengthened its astronomy program by joining the <a href=\"https:\/\/www.butler.edu\/arts-sciences\/physics-astrophysics-astronomy\/southeastern-association-research-astronomy\/\">SARA consortium<\/a>, thanks to a donation by Dr. F. Levinson. This consortium of 13&nbsp;universities possesses three 1-meter class telescopes located at Kitt Peak, Arizona, Cerro Tololo, Chile, and at Observatorio del Roque de los Muchachos in the Canary Islands, Spain. Having remote access to these telescopes has provided Butler students, at all levels and majors, with the unique experiences of being an astronomer and participating in original astronomical research.<\/p>\n\n\n<div class=\"wp-block-image is-resized\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"263\" height=\"500\" src=\"https:\/\/cdn.butler.edu\/www\/sites\/12\/2026\/01\/06094455\/holcomb-telescope.jpg\" alt=\"Holcomb Observatory telescope with open dome.\" class=\"wp-image-21115\" srcset=\"https:\/\/cdn.butler.edu\/www\/sites\/12\/2026\/01\/06094455\/holcomb-telescope.jpg 263w, https:\/\/cdn.butler.edu\/www\/sites\/12\/2026\/01\/06094455\/holcomb-telescope-158x300.jpg 158w\" sizes=\"auto, (max-width: 263px) 100vw, 263px\" \/><figcaption class=\"wp-element-caption\">The 0.95-meter Holcomb telescope. The telescope went through a $425,000 upgrade in 2016 and now can be operated from anywhere in the world.<\/figcaption><\/figure>\n<\/div>\n\n\n<p>During the last few years the Holcomb telescope and dome of the observatory has once again been overhauled. This $425,000 overhaul is once again possible due to a generous donation by Dr. F. Levinson. Care was taken to keep the original look of the telescope. One of primary items that have been addressed are the optics of the telescope. The primary mirror has had an astigmatism removed, a new 13-inch secondary mirror was fabricated and installed, and a corrector lens\/focal reducer has been installed thus reducing the telescope&#8217;s focal ratio from an f\/16 to an f\/6.3.\u00a0This reduction of focal ratio makes the telescope a much faster camera and increase the field of view of the telescope seven fold.\u00a0The dome now has failsafe mechanisms allowing it and the telescope to be used remotely. One key goal of the refurbishment was to have the Holcomb Telescope operations be identical to those of the SARA telescopes, so now our students can use the same seamless interface when observing. This overhaul was completed by <a title=\"ACE\" href=\"http:\/\/www.astronomical.com\" target=\"_blank\" rel=\"noopener\">Astronomical Consultants &amp; Equipment, Inc<\/a>.\u00a0They have upgraded over 30 telescopes including two similar Fecker telescopes, one for the University of Georgia and one for Agnes Scott College. Also overhauled was Butler&#8217;s\u00a0first telescope, the Clark 6-inch refractor from the Irvington campus. Its nearly 140-year lens was refurbished and continues to ride piggyback along side the 38-inch telescope.<\/p>\n\n\n<div class=\"wp-block-image is-resized\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/cdn.butler.edu\/www\/sites\/12\/2022\/10\/08102425\/Holcomb_Planetarium_Lambda-300x224.png\" alt=\"Image on dome of Holcomb Observatory planetarium. \" style=\"width:344px;height:auto\"\/><figcaption class=\"wp-element-caption\">The dome of the planetarium at Holcomb Observatory shortly after its latest upgrade to a Digitarium Lambda system (2022). This latest upgrade increased the number of pixels on the dome by 225% and produces vivid colors on the dome.<\/figcaption><\/figure>\n<\/div>\n\n\n<p>In early 2018 the planetarium had its old analog Spitz AP3 star projector replaced with a digital fulldome digital projector. A new Digitarium Kappa projector was installed, projecting more that 4 million pixels onto the dome of the planetarium and providing visitors with a fully immersive 3D experience in addition to rendering the night sky better than ever before. Even more recently, in late 2022, the Kappa projector\u00a0was replaced with a <a href=\"https:\/\/www.digitaliseducation.com\/products-digitarium_lambda_fixed\">Digitarium Lamda<\/a> projector.\u00a0This new <em>laser<\/em>-phosphor illumination system provides bright, rich colors and 225% more pixels on the dome than the Kappa.\u00a0It can show the sky as it was millions of years into the past and future. The new Lambda projector also allows for flight to the Moon and planets, and through and out of the Milky Way galaxy.<\/p>\n\n\n\n<p>Further upgrades include the installation of interactive touch screens in the lobby that allow visitors to explorer the solar system and other information concerning the observatory and space science.\u00a0Opposite the planetarium and across the lobby, the 50-seat classroom was renovated during the summer of 2022. The classroom is full mediated and used for both Butler University course instruction, outreach,\u00a0and special events.\u00a0The classroom looks out into the Holcomb Gardens and is typically used 35 hours per week.\u00a0The observatory is now better than ever and the combination of these upgrades provides students, faculty, and visitors with a unique astronomical learning experience that is hard to find elsewhere.<\/p>\n\n\n<div class=\"wp-block-image is-resized\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/cdn.butler.edu\/www\/sites\/12\/2022\/10\/08102425\/IMG_0015-300x169.png\" alt=\"The classroom at Holcomb Observatory\"\/><figcaption class=\"wp-element-caption\">The recently renovated 50-seat classroom in the East wing of Holcomb Observatory.<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Though the equipment has been upgraded the observatory still retains its 1950s charm, particularly when entering the lobby. Visitors are still greeted with a beautiful terrazzo floor with the inset zodiac symbols, the star burst chandelier, and tall frosted windows. The telescope stills retains its classic 1950s look, and riding piggyback on the main telescope is Butler University\u2019s first telescope dating back to the 1880\u2019s.<\/p>\n\n<\/div>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t<\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":15,"featured_media":0,"parent":379,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-485","page","type-page","status-publish","hentry"],"revision_note":"","acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.2 (Yoast SEO v26.4) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>History | Butler University<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.butler.edu\/arts-sciences\/holcomb-observatory\/history\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"History | Butler University\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.butler.edu\/arts-sciences\/holcomb-observatory\/history\/\" \/>\n<meta property=\"og:site_name\" content=\"College of Liberal Arts &amp; 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