| Osservatorio astronomico di Remanzacco.jpg | No machine-readable author provided. Skywalter2000 assumed (based on copyright claims). | Public domain |
| Osservatorio Astronomico di Roma.jpg | H. Raab ( User:Vesta ) | CC BY-SA 4.0 |
| Osservatorio astronomico di Tradate (2).jpg | CristianNX | CC BY-SA 4.0 |
| Osservatorio astronomico Ferdinando Caliumi.jpg | Moneadi74 | CC BY-SA 4.0 |
| Osservatorio astronomico Serafino Zani 05.jpg | Daniele Pugliesi | CC BY-SA 4.0 |
| Osservatorio Barnard.jpg | EddyBevacqua | CC BY-SA 4.0 |
| Osservatorio Castelgrande02.jpg | Attilio Bixio | CC BY-SA 4.0 |
| Osservatorio del Collegio Romano.jpg | автор не известен | Public domain |
| Osservatorio di arcetri, planetario 01.JPG | sailko | CC BY 2.5 |
| Osservatorio Etneo.jpg | Unknown author Unknown author | Public domain |
| Osservatorio Monte San Lorenzo.jpg | OsservatorioMonteSanLorenzo | CC BY-SA 4.0 |
| Osservatorio Tavolaia.JPG | Anthony Marx at Italian Wikipedia | Public domain |
| Osservatorio ximeniano, firenze.JPG | sailko | CC BY 2.5 |
| OsservatorioAstronomicoSormano.jpg | Andreabonacina | CC BY-SA 3.0 |
| OsservatorioBassanoBresciano.JPG | Unknown author | CC BY-SA 3.0 |
| Ottenby Bird Observatory 05.jpg | Sinikka Halme | CC BY-SA 4.0 |
| Otto Struve Telescope.jpg | Jason Quinn ( talk ) | Attribution |
| Oude Sterrewacht - Heliometergebouw (vooraanzicht).jpg | Ex-scriptorio | CC BY-SA 4.0 |
| Oude Sterrewacht - Talcotthuisje (zijaanzicht).jpg | Ex-scriptorio | CC BY-SA 4.0 |
| Oude Sterrewacht, Leiden.jpg | User:AWossink | CC BY-SA 4.0 |
| Outlook Tower, Castlehill, Edinburgh.JPG | Kim Traynor | CC BY-SA 3.0 |
| Outside Lower Erebus Hut.jpg | No machine-readable author provided. Jirhiker~commonswiki assumed (based on copyright cla… | Public domain |
| OverWhelmingly Large Telescope.jpg | ESO Telescope Systems Division | CC BY 3.0 |
| OVRO 40 Meter Radio Telescope.jpg | Salvor Hardin | CC BY-SA 4.0 |
| OVRO 40m telescope 01.jpg | Photograph by Mike Peel ( www.mikepeel.net ). | CC BY-SA 4.0 |
| OVRO VLBI station 2.jpg | Photograph by Mike Peel ( www.mikepeel.net ). | CC BY-SA 4.0 |
| OVSA2.jpg | Dale E. Gary | CC BY 3.0 |
| P STSAT-1 09.jpg | KARI | KOGL Type 1 |
| P48 1994 Jean Large.jpg | Picture was scanned from the original by Michael Vergara and Transferred from en:wp to Co… | CC BY-SA 3.0 |
| Palomar Observatory 2012 01.jpg | Photograph by Mike Peel ( www.mikepeel.net ). | CC BY-SA 4.0 |
| Panská Ves Observatory 2.jpg | Czech Wikipedia user Packa | CC BY-SA 3.0 |
| Paolo Monti - Servizio fotografico (Medicina, 1974) - BEIC 6348759.jpg | Paolo Monti | CC BY-SA 4.0 |
| Paranal and the Pacific at sunset (dsc4088, retouched, cropped).jpg | ESO/G. Hüdepohl ( atacamaphoto.com ) | CC BY 4.0 |
| PARCO.jpg | Gilles1981 | CC BY-SA 4.0 |
| Pardubice - ulice Gorkého 03.jpg | Petr1888 | CC BY-SA 4.0 |
| Paris Observatory.jpg | Photograph by Mike Peel ( www.mikepeel.net ). | CC BY-SA 4.0 |
| Parker Solar Probe.jpg | NASA/Johns Hopkins APL/Steve Gribben | Public domain |
| Parkes Radio Telescope 09.jpg | Diceman Stephen West | CC BY-SA 3.0 |
| Parkes.arp.750pix.jpg | Photograph by John Sarkissian (CSIRO Parkes Observatory) | Attribution |
| Paul Robinson Observatory, Voorhees State Park, NJ.jpg | Zeete | CC BY-SA 4.0 |
| Peach Mountain observatory (3369526918).jpg | bagaball | CC BY 2.0 |
| Penteli observatory - panoramio.jpg | Nagaremono | CC BY 3.0 |
| Perkins Observatory.JPG | Analogue Kid at English Wikipedia | Public domain |
| Perrotts Folly 1 (4621764444).jpg | Tony Hisgett from Birmingham, UK | CC BY 2.0 |
| Perth Observatory-dome.jpg | Nachoman-au | CC BY-SA 3.0 |
| Phillips Exeter Academy Grainger Observatory.jpg | AntiCompositeNumber | CC BY-SA 4.0 |
| Phot-24a-06.jpg | ESO/H.H.Heyer | CC BY 4.0 |
| PIA17993-DetectorsForInfantUniverseStudies-20140317.jpg | NASA/JPL-Caltech | see file page |
| PIA25136.jpg | NASA/JPL-Caltech | Public domain |
| PIA26454 16.jpg | NASA/JPL-Caltech | Public domain |
| Pic du Midi de Bigorre Observatory.jpg | Photo taken by Christophe Jacquet on 16 March 2006. | CC BY-SA 2.5 |
| Pickmere Telescope 02.jpg | Mike Peel ; Jodrell Bank Centre for Astrophysics, University of Manchester. | CC BY-SA 4.0 |
| Pine Mountain Observatory, Oregon.JPG | Orygun | CC BY-SA 4.0 |
| Pino torinese osservatorio edificio storico.jpg | F Ceragioli | CC BY-SA 3.0 |
| PioneerDeepSpaceStation2.jpg | unknown NASA employee | Public domain |
| Piszkéstető obszervatórium 01.jpg | Virághalmy Géza [email protected] | CC BY-SA 3.0 |
| Piwnice aerial view.jpg | No machine-readable author provided. EAJoe~commonswiki assumed (based on copyright claims… | CC BY-SA 3.0 |
| Planetarium with astronomical observatory, Gabrovo 02.JPG | Спасимир | CC BY-SA 3.0 |
| Planetarium Ślaski Park Nauki.jpg | Fotoomnia | CC BY-SA 4.0 |
| Planetárium Ostrava.jpg | Nedbalky | CC BY-SA 4.0 |
| Plato 2022.jpg | ESA | CC BY 3.0 igo |
| Pola Naval Observatory.jpg | Luigi Mioni | Public domain |
| Polarbear experiment.jpg | Josquin.errard | CC BY-SA 3.0 |
| POlarization Emission of Millimeter Activity at the Sun.jpg | Guigue | CC BY-SA 3.0 |
| Polish satellite BRITE Heweliusz model in Gdansk 19.8.2014.jpg | LukaszKatlewa | CC BY-SA 4.0 |
| Potsdam Sternwarte Babelsberg asv2023-09 img1.jpg | A.Savin | FAL |
| Potsdam Telegrafenberg asv2023-09 img2.jpg | A.Savin | FAL |
| Potsdam Telegrafenberg asv2023-09 img4.jpg | A.Savin | FAL |
| Poznań Observatory 1.jpg | Bori64 | CC BY-SA 3.0 |
| Prague 07-2016 Stefanik Observatory.jpg | A.Savin | FAL |
| Prescottscenic.jpg | Cityofprescott | CC BY-SA 3.0 |
| PRIMA spacecraft rendering.png | NASA/JPL-Caltech | see file page |
| Prince Edward Point Bird Observatory.JPG | WilyD | CC BY-SA 3.0 |
| PrincipiaCollegeObservatory.jpg | L theo | CC BY-SA 3.0 |
| Proj-58.jpg | n. n. | Public domain |
| Prompt.jpg | The original uploader was Mnysewan at English Wikipedia . | Attribution |
| PSM V65 D017 Rumford spectroheliograph attached to the yerkes telescope.png | Unknown author Unknown author | Public domain |
| PSM V68 D288 Snow telescope house solar observatory on mount wilson.png | Unknown author Unknown author | Public domain |
| Pti aerial photo B.jpg | Gerard T. van Belle | Public domain |
| Public observatory in Bussloo with C14 celestron telescope.jpg | Hbeijeman | CC BY-SA 3.0 |
| Pulkovo Observatory5.jpg | SadPetzl | CC BY-SA 4.0 |
| PUNCH-NFI spacecraft model.png | NASA/GSFC/Conceptual Image Lab/Walt Feimer | Public domain |
| PUNCH-WFI spacecraft model.png | NASA/GSFC/Conceptual Image Lab/Walt Feimer | Public domain |
| Pupin Hall.jpg | Mikhail Klassen at English Wikipedia | Public domain |
| Purgathofer-Sternwarte 03.jpg | Funke | CC BY-SA 4.0 |
| PurpleMountainObservatory01.JPG | Farm | CC BY-SA 3.0 |
| Putrajaya 1386543868 86fa637bd3.jpg | NTLam | CC BY 2.0 |
| Pyramid International Laboratory-Observatory - 01.jpg | Rick McCharles | CC BY 2.0 |
| Périscope de tranchée.jpg | Europeana staff photographer | Public domain |
| Quantum Optical Ground Station Marietta Blau.jpg | Evacreateva Eva Fessler / University of Innsbruck | CC BY-SA 4.0 |
| Quiet Telescope.JPG | Joezuntz | CC BY-SA 3.0 |
| Quito Observatory.JPG | Marc Figueras Oersted (let's talk) | CC BY 2.5 |
| RabaulVolcanologicalObservatory19880217.jpg | Kamagasaki450 | CC BY-SA 3.0 |
| Radio telescope The Dish.jpg | Steve Jurvetson from Menlo Park, USA | CC BY 2.0 |
| Radio telescope, Chilbolton - geograph.org.uk - 809842.jpg | Andrew Smith | CC BY-SA 2.0 |
| Radio Telescope, Tien Shan Observatory.jpg | Peretz Partensky | CC BY-SA 2.0 |
| Radiobservatório do Itapetinga (May 2018) 01.jpg | Sturm | CC BY-SA 4.0 |
| Radiobservatório do Itapetinga 2018 012.jpg | Photograph by Mike Peel ( www.mikepeel.net ). | CC BY-SA 4.0 |
| Radiotelescoop op de Heide van het Dwingelderveld.jpg | Uberprutser | CC BY-SA 3.0 nl |
| Radiotelescope la Villette.jpg | DimensionParabole | CC BY-SA 4.0 |
| Radiotelescope RTF32 Zelenchuk.jpg | Zukaz | Public domain |
| Radiotelescopes of RAS Zimenki.jpg | Евгений Катышев | CC BY 3.0 |
| Radioteleskop Effelsberg-0197.jpg | Raimond Spekking | CC BY-SA 4.0 |
| Radioteleskop Kiel.jpg | Chi And H | CC BY-SA 4.0 |
| RATAN 600 crop.jpg | александр с кавказа | CC BY 3.0 |
| Rathenower Brachymedial-Fernrohr.jpg | No machine-readable author provided. Rainer Ortmann~commonswiki assumed (based on copyrig… | CC BY-SA 2.5 |
| Real Observatorio de Madrid en abril de 2023 10.jpg | Emilio J. Rodríguez Posada | CC BY-SA 4.0 |
| Real Observatorio de Madrid en abril de 2023 69.jpg | Emilio J. Rodríguez Posada | CC BY-SA 4.0 |
| Reale OsservatorioVesuviano 2016.jpg | Carlomorino | CC BY-SA 4.0 |
| Rear of Airdrie library - geograph.org.uk - 1227072.jpg | Jim Smillie | CC BY-SA 2.0 |
| Rees, der Mühlenturm DmA8 foto3 2017-10-18 15.58.jpg | Michielverbeek | CC BY-SA 4.0 |
| Reform Monument (geograph 6752443).jpg | Michael Riddle | CC BY-SA 2.0 |
| Refraktor Wien Kerschbaum 1.jpg | Prof. Franz Kerschbaum, Institut für Astronomie, Universität Wien | CC BY-SA 3.0 |
| Refurbished airdrie observatory dome.jpg | Techboss69 | Public domain |
| Regensburger Altstadt von oben 19.JPG | Dr. Bernd Gross | CC BY-SA 3.0 de |
| Reich Museum.jpg | Nobody | CC BY 3.0 |
| Remplin observatory.jpg | Doris Antony , Berlin | CC BY-SA 3.0 |
| REMTelescope.png | Stefano.Covino | CC BY-SA 3.0 |
| RHESSI spacecraft model.png | NASA | Public domain |
| RIAN archive 930415 Russian Spektr R space-born radio telescope.jpg | Oleg Urusov / Олег Урусов | CC BY-SA 3.0 |
| Richard B. Dunn Solar Telescope (5508694434).jpg | uıɐɾ ʞ ʇɐɯɐs from New York City, USA | CC BY-SA 2.0 |
| Rihlanperä's observatory.jpg | Zache | CC BY-SA 3.0 |
| Rijecka zvjezdarnica 120409.jpg | Roberta F. | CC BY-SA 3.0 |
| Ritter Planetarium-Observatory at The University of Toledo, November 2019.jpg | MrJacon000 | CC BY-SA 4.0 |
| Robotický dalekohled FRAM na stanici Coihueco.jpg | Institute of Physics of the Czech Academy of Sciences / Fyzikální ústav AV ČR | CC BY-SA 4.0 |
| Rochester Institute of Technology observatory.jpg | DanielPenfield | CC BY-SA 3.0 |
| Rolnick Observatory 071.JPG | Pedro Xing | CC0 |
| ROMANNewModelV8RomanStill00049.png | NASA | Public domain |
| Rome Astronomical Observatory.jpg | Marco Castellani from Rome, Italy | CC BY-SA 2.0 |
| Roque de los Muchachos - ORM - LST-1 - 02.jpg | H. Zell | CC BY-SA 3.0 |
| ROSAT one of the last images before reentry.jpg | Ralfvandebergh | CC BY-SA 3.0 |
| Rossitten Feldstation Fringilla Netze (2011).JPG | Brunswyk at de.wikipedia | CC BY-SA 3.0 de |
| Rossitten Fågelstation 1910.jpg | Heinroth (photo) Johannes Thienemann (book author) | Public domain |
| Royal Greenwich Observatory, Herstmonceux - April 2012.jpg | Diliff | CC BY-SA 3.0 |
| Royal observatory greenwich.jpg | Unknown author | CC BY-SA 3.0 |
| Royal Observatory, Edinburgh.jpg | Karora | Public domain |
| Rozhen dome.jpg | Daniel | CC BY-SA 2.0 |
| RT-22-Radiotelescope.jpg | Ivtorov | CC BY-SA 4.0 |
| RW Forrest radio telescope (9192659822).jpg | Bayfordbury Observatory | CC BY 2.0 |
| RXTE.jpg | user:GDK | Public domain |
| Saint Petersburg Kunstkamera view from the front.jpg | User:Panther | CC BY-SA 2.5 |
| Saint-Malo 04.jpg | Paweł 'pbm' Szubert ( talk ) | CC BY-SA 3.0 |
| Saji Astro Park.jpg | KASEI | CC BY-SA 3.0 |
| Sakurajima Volcano observatory, Disaster Prevention Research Institute, Kyoto University.jpg | Sakoppi | CC BY-SA 4.0 |
| Salle des sociétés savantes, rue Danton, Paris.jpg | Jeanne Menj | CC BY 2.0 |
| Saltsjöbadens observatorium 2013 03.jpg | Holger.Ellgaard | CC BY-SA 3.0 |
| SAMPEX 2.jpg | NASA | Public domain |
| San Antonio volcano 2020 007.jpg | Photograph by Mike Peel ( www.mikepeel.net ). | CC BY-SA 4.0 |
| San Fernando - Royal Institute and Astronomical Observatory of the Spanish Navy - ROA 20170906 113749 04.jpg | Sobreira | CC BY-SA 4.0 |
| San Vittore Observatory.jpg | Patafisik | CC BY-SA 3.0 |
| Sao-6m-Telescope.jpg | DieterS | Public domain |
| SARA 0.9-meter Telescope.jpg | NOIRLab/AURA/NSF | CC BY 4.0 |
| SARA Cerro Tololo Telescope exterior 2.jpg | CTIO/NOIRLab/NSF/AURA | CC BY 4.0 |
| SAS 2.gif | Mrs. Marjorie R. Townsend Project Manager NASA Goddard Space Flight Center, Dr. Carl E. F… | Public domain |
| Satellite Intercosmos 1 DSC 0205.JPG | Pline | CC BY-SA 3.0 |
| Scale model of the Akari (ASTRO-F, 2006-005A) exhibited at Noshiro City Children's Center.jpg | 掬茶 | CC BY-SA 4.0 |
| Schanck Observatory, Rutgers University, east view.jpg | Zeete | CC BY-SA 3.0 |
| Schiaparelli Observatory Varese.png | Quellogrosso at Italian Wikipedia | CC BY 4.0 |
| Schkeuditzer Strasse 4b 094 86602.jpg | ThoralfSchade | CC BY-SA 4.0 |
| Schronisko Sniezka.JPG | Lovecz 16:05, 1 July 2006 (UTC) | Public domain |
| SchwedterTorturmPrenzlau.JPG | Lupi82 | Public domain |
| Scotland-2016-Edinburgh-City Observatory.jpg | Godot13 | CC BY-SA 4.0 |
| Scottish Dark Sky Observatory, night sky, Dec 2017.jpg | Dave Dubya | CC BY-SA 4.0 |
| Sdle2001 view from 2 meter2.jpg | The original uploader was Iamdalto at English Wikipedia . | Public domain |
| SDSS and du Pont Telescopes 01.jpg | SDSS | CC BY 4.0 |
| Sears Tower-Harvard Observatory - 60 Garden Street, Cambridge, MA - IMG 4028.JPG | Daderot | Public domain |
| Seishounen Kagakukan(Sapporo).jpg | モンモン | Public domain |
| Sendaishi Tenmondai 2008-07-01a.jpg | Kinori | Public domain |
| Serra da Piedade MG Brasil - Telescópio da UFMG - panoramio (1).jpg | Josue Marinho | CC BY 3.0 |
| SEST on fire.jpg | F. Kerschbaum | CC BY 4.0 |
| Settore equatoriale Museo scienza e tecnologia Milano 01.jpg | Alessandro Nassiri for Museo nazionale della scienza e della tecnologia Leonardo da Vinci… | CC BY-SA 4.0 |
| SGRT-01.jpg | Focusfeed | CC BY-SA 4.0 |
| Shamakhi observatory.jpg | Gulmammad ( talk ) | CC BY-SA 3.0 |
| ShanePanorama.png | Hkhandrika | CC BY 3.0 |
| Shanghai 65-meter Tianma Radio Telescope.jpg | Fayhoo | CC BY-SA 3.0 |
| Shatjatmaz Mountain 2127 m. 9958 59.jpg | AlixSaz | CC BY 4.0 |
| ShatterConeObservatoireAstroblemeCharlevoix.jpg | Jmgas | CC BY-SA 4.0 |
| Shattuck Observatory - Dartmouth College, Hanover, NH.jpg | Adrian N. Bouchard, photographer. | Public domain |
| Sherwood Observatory (53069).jpg | Frombowen | CC BY-SA 4.0 |
| Sheshan Tianwentai.JPG | Fayhoo | CC BY-SA 3.0 |
| Shosanbetsu observatory.jpg | tail_furry | CC BY-SA 3.0 |
| Shuckburg Telescope.jpg | Rees Cyclopedia | Public domain |
| Side view of William Brydone Jack Observatory.jpg | HazelAB | CC BY-SA 3.0 |
| SierraNevadaObservatoryRadioTelescope.JPG | Unknown author | CC BY-SA 3.0 |
| Sigma space telescope-PR078-IMG 5487-gradient.jpg | Rama | CC BY-SA 3.0 fr |
| Siligo, osservatorio astronomico (02).jpg | Gianni Careddu | CC BY-SA 4.0 |
| Simeiz RT-22.jpg | Vyacheslav Argenberg from Rostov-on-Don, Russian Federation | CC BY 2.0 |
| Simonsarray wide.jpg | Mark Devlin | CC BY-SA 4.0 |
| Simplesat on-the-shaker.jpg | NASA | Public domain |
| Skansen181.jpg | AleWi | Public domain |
| Skinakas observatory.JPG | C messier | CC BY-SA 3.0 |
| Skyhook air 1957.jpg | US Navy | Public domain |
| SkyMapper and 2.3m.jpg | Iridia | CC BY-SA 3.0 |
| Smeetoren Utrecht.jpg | C. Van Hardenbergh | Public domain |
| SMT 1.png | Geremia at English Wikipedia | Public domain |
| SNOLAB 2014-03-21.jpg | User:Boardhead | CC0 |
| SOAR telescope at twlight.jpg | Astronomy additions | CC BY-SA 4.0 |
| SOFIA in air.jpg | NASA/Carla Thomas | Public domain |
| SOFIA telescope close-up (ED09-0279-14).jpg | NASA/Tom Tschida | Public domain |
| Solar observatory at Harestua near Oslo.JPG | Hans Olav Lien | CC BY-SA 3.0 |
| Solar Tower Telescope at NAOJ Mitaka Campus.jpg | おむこさん志望 | CC BY 2.5 |
| SOLAR-B artists concept.jpg | NASA/ GSFC /C. Meaney | Public domain |
| Sommers-Bausch Observatory.jpg | MECU ( MECU ≈ talk ) | CC BY-SA 3.0 |
| Sommet du Mont Blanc. Observatoire Janssen - btv1b10124577v.jpg | Ferrand, Henri (1853-1926). Photographe | Public domain |
| Sondrestrom Upper Atmospheric Research Facility (5).JPG | Chmee2 / Valtameri | CC BY 3.0 |
| SonomaStateObservatory3211.jpg | Stepheng3 ( talk ) | Public domain |
| SORCE spacecraft model.png | NASA | Public domain |
| South African Astronomical Observatory (sutherland aerial view).jpg | Pschella | CC BY-SA 3.0 |
| South pole telescope nov2009.jpg | Amble | CC BY-SA 3.0 |
| Southern African Large Telescope.jpg | Lengau | CC BY-SA 4.0 |
| Space Interferometry Mission PIA04248.jpg | Unknown author | Public domain |
| Space Research Centre in Warsaw in 2014.JPG | Chmee2 | CC BY-SA 3.0 |
| Specola Cidnea.jpg | Mik2001 | CC BY-SA 4.0 |
| Specola1.jpg | Rb85 | CC BY-SA 3.0 |
| Spectrohelioscope.jpg | Ixfd64 | CC BY-SA 4.0 |
| Speculoos 4 telescopes.jpg | ESO | CC BY 4.0 |
| SPECULOOS eso1839l.jpg | ESO | CC BY 4.0 |
| Spektr-RG russian X-ray space telescope P1110968.jpg | Pline | CC BY-SA 3.0 |
| Sphinx Observatory.jpg | Eric Hill from Boston, MA, USA | CC BY-SA 2.0 |
| Spitzer space telescope.jpg | NASA/JPL-Caltech | Public domain |
| SSRT 01.jpg | Sergey Gabdurakhmanov | CC BY 2.0 |
| SST in Australia.png | Undeclared by Sitzler | CC BY-SA 4.0 |
| SST with open radome.jpg | Guigue | CC BY-SA 3.0 |
| St. Andrews observatory.jpg | Drkirstyross | CC BY-SA 3.0 |
| StampofUkraine2006 Kosmos Koronas1.jpg | Post of Ukraine | Public domain |
| Stardome Observatory Cornwall Park.jpg | Ingolfson | Public domain |
| Starkenburg-Sternwarte.JPG | Poisend-Ivy | CC BY-SA 3.0 |
| Starr-141106-2755-Dubautia menziesii-habitat view Pan Starrs telescopes-Science City-Maui (25130256292).jpg | Forest and Kim Starr | CC BY 3.0 us |
| Starry night invites to go out and look to the stars.jpg | ESO/E. Jehin | CC BY 4.0 |
| StationAutonomeCODALEMA.jpg | Malirti | CC BY-SA 4.0 |
| Stazione radioastronomica di Noto.jpg | Pierraffaele | CC BY-SA 4.0 |
| StazioneOsservativaEkar.jpg | Nordavind | CC BY-SA 3.0 |
| Steinheil.jpg | Rivi | Public domain |
| Stella-robotic-observatory.jpg | Michael Weber at de.wikipedia | CC BY-SA 2.0 de |
| Stellafane Observatory.JPG | Tkeator | CC BY-SA 3.0 |
| STEREO spacecraft model 2.png | NASA | Public domain |
| Sterngarten von Westen.png | Funke | CC BY-SA 3.0 |
| Sternwarte 02092008357.jpg | Patrik Tschudin | CC BY-SA 2.0 |
| Sternwarte Aachen.JPG | Unknown author | Public domain |
| Sternwarte Berlin Schinkel.jpg | Carl Daniel Freydanck | Public domain |
| Sternwarte Bülach.JPG | Heini700 ( Diskussion ) | Copyrighted free use |
| Sternwarte Davidschlag im Januar 2025.jpg | Dieringer63 | CC0 |
| Sternwarte eschenberg.JPG | Kleinplanetchen | CC BY-SA 3.0 |
| Sternwarte Hagen 03.jpg | Holger Naether | CC BY-SA 3.0 |
| Sternwarte Heilbronn Gesamtansicht.jpg | Volker Lang, Sternwarte Heilbronn | CC BY-SA 3.0 |
| Sternwarte Herne.jpg | The original uploader was Stahlkocher at German Wikipedia . | CC BY-SA 3.0 |
| Sternwarte Hof 20210523 DSC09560.jpg | PantheraLeo1359531 | CC BY 4.0 |
| Sternwarte Höfingen.jpg | Harke | CC BY-SA 3.0 |
| Sternwarte Kreuzbergl, Klagenfurt.JPG | JJ55 | CC BY-SA 3.0 |
| Sternwarte Lübeck im Herbst.jpg | IdealistHL | CC BY-SA 3.0 |
| Sternwarte Mainz.JPG | Gruenschuh | CC BY-SA 3.0 |
| Sternwarte Manfred von Ardenne Dresden.jpg | Paulae | CC BY-SA 3.0 |
| Sternwarte Michelbach.jpg | Markus Wachter | CC BY-SA 4.0 |
| Sternwarte Neumarkt 001.JPG | DALIBRI | CC BY-SA 3.0 |
| Sternwarte peterberg 2007.jpg | Philippe Grand-Montagne | CC BY 2.5 |
| Sternwarte Recklinghausen.jpg | Daniel Ullrich, Threedots | CC BY-SA 3.0 |
| Sternwarte Rostock.JPG | M.Meißer | CC BY-SA 3.0 |
| Sternwarte Sankt Andreasberg – Nachtaufnahme bei Rotlicht.jpg | Utz Schmidtko | CC BY 4.0 |
| Sternwarte Schillerg. 2 Kopie.jpg | Gerd0803 | CC BY-SA 4.0 |
| Sternwarte Simplon am Simplonpass in der Schweiz.jpg | Olga Ernst | CC BY-SA 4.0 |
| Sternwarte Sohland an der Spree.jpg | Sohlander | CC BY-SA 4.0 |
| Sternwarte Steinberg.jpg | Liuthalas | CC BY-SA 4.0 |
| Sternwarte Stuttgart (69131).jpg | Laserlicht | CC BY-SA 4.0 |
| Sternwarte Tübingen 10. August 2013.jpg | Felix König | CC BY 3.0 |
| Sternwarte und Planetarium Siegmund Jähn Rodewisch (2).jpg | Aagnverglaser | CC BY-SA 4.0 |
| Sternwarte Urania2.jpg | sidonius 06:56, 20 June 2006 (UTC) | CC BY-SA 2.5 |
| Sternwarte weikersheim.jpg | Schorle | CC BY-SA 3.0 |
| Sternwarte-Welzheim.jpg | Kreuzschnabel | CC BY-SA 3.0 |
| SternwarteGothaSeeberg.jpg | Manfred Strumpf at German Wikipedia | Public domain |
| SternwarteReutlingen.jpg | Sternegucker | CC BY-SA 3.0 |
| Sterrenwacht Halley gebouw en glazen schijf Zon.jpg | RagingR2 | CC BY-SA 4.0 |
| Sterrenwacht Mercurius.jpg | Mercurius at Dutch Wikipedia | Public domain |
| Sterrenwacht Tweelingen Spijkenisse 2022.jpg | JopkeB | CC BY-SA 4.0 |
| Stirling Highland Hotel - geograph.org.uk - 4555758.jpg | Thomas Nugent | CC BY-SA 2.0 |
| Stonehenge Aotearoa MRD 14.jpg | Mike Dickison | CC BY 4.0 |
| Stony Ridge Observatory buildings 2014-11-05.jpg | Junkyardsparkle | CC0 |
| Stonyhurst observatory.jpg | Imaginativename at English Wikipedia | CC BY-SA 3.0 |
| Streekmuseum Volkssterrenwacht Burgum.JPG | Drewes | CC0 |
| StronconeSantaLuciaOsservatorioAstronomico3.jpg | LigaDue | CC BY-SA 4.0 |
| STS-122 Sun Monitoring on the External Payload Facility of Columbus (Solar).jpg | NASA | Public domain |
| STS-46 EURECA deployment.jpg | NASA | Public domain |
| STS-51 ORFEUS SPAS capture.jpg | NASA | Public domain |
| Suchora-obserwatorium.jpg | Unknown author | CC BY-SA 3.0 |
| Suering-Haus. Wissenschaftspark Albert Einstein 2009.jpg | Sciureto | CC BY-SA 4.0 |
| Sulphur Mountain Weather Station.JPG | Chris Short | CC BY-SA 3.0 |
| Sultan Ismail Building.JPG | Chongkian | CC BY-SA 4.0 |
| Sun Dial Ved Shala Ujjain.jpg | No machine-readable author provided. Clt13 assumed (based on copyright claims). | CC BY 2.5 |
| Sundial commemorating astronomer Paul Wild, Culgoora 2006.jpg | Penelope R. Wild | CC BY-SA 3.0 |
| Sundog and Circumzenithal Arc.jpg | ThaliaTraianou | CC BY-SA 4.0 |
| Sunriver Observatory.jpg | Maelwys at English Wikipedia | CC BY-SA 2.5 |
| SunsetFromIOTAWithTelescope.png | Litlok | CC BY-SA 3.0 |
| Super Kamiokande, 1 to 135th.jpg | Motokoka | CC BY-SA 4.0 |
| Sura-antenna.jpg | Unknown author | GPL |
| Svetloje radioteleskopo RTF32 2003.jpg | Zukaz | CC BY-SA 3.0 |
| SVOM from 'Target of Opportunity' video.jpg | CNES/GEKO | CC BY-SA 3.0 |
| Swansea Observatory.JPG | Sloman at English Wikipedia | Public domain |
| Swarthmore College Observatory.jpg | Smallbones | CC0 |
| Swas 1.jpg | Unknown author | Public domain |
| Swedish Solar Telescope.jpg | NoobX at English Wikipedia | CC BY-SA 3.0 |
| Swift Observatory rendering back alpha (SVS13926).png | NASA/Goddard Space Flight Center/Chris Smith (KBRwyle) | Public domain |
| Swift s instrument Burst Alert Telescope (BAT) the Coded aperture mask.jpg | NASA | Public domain |
| Sydney Observatory at night.JPG | Hohohob | CC BY-SA 4.0 |
| Sza.gif | Original uploaded by Emleitch (Transfered by vale_maio ) | CC BY 3.0 |
| Szegedi CsillagvizsgálóIMG 20180811 162735 HDR1-2048x1152.jpg | Observatory of Szeged | CC BY-SA 4.0 |
| T193 in observations.jpg | José Rodrigues | CC BY-SA 4.0 |
| Table Mountain Observatory 2.jpg | NASA | Public domain |
| Tabriz Observatory.jpg | Amir Sadeghi | CC BY 4.0 |
| Taqi al din.jpg | Ala ad-Din Mansur-Shirazi | Public domain |
| Tarot lasilla201201a.jpg | ESO | CC BY 4.0 |
| TART stellenbosch.jpg | Tmolteno | CC BY-SA 4.0 |
| Tartu asv2022-04 img06 Old Observatory.jpg | A.Savin | FAL |
| Tartu obs main b.jpg | Oth | CC BY-SA 3.0 |
| Tatel Radio Telescope.jpg | Image courtesy of NRAO/AUI | CC BY-SA 3.0 |
| Tauchmann telescope, Aug 2019 (cropped).jpg | Thomson200 | CC0 |
| Teide Observatory 2018 004.jpg | Photograph by Mike Peel ( www.mikepeel.net ). | CC BY-SA 4.0 |
| Teide Observatory 2018 005.jpg | Photograph by Mike Peel ( www.mikepeel.net ). | CC BY-SA 4.0 |
| Teide Observatory 2018 006.jpg | Photograph by Mike Peel ( www.mikepeel.net ). | CC BY-SA 4.0 |
| Teide Observatory 2018 010.jpg | Photograph by Mike Peel ( www.mikepeel.net ). | CC BY-SA 4.0 |
| Teide Observatory 2018 014.jpg | Photograph by Mike Peel ( www.mikepeel.net ). | CC BY-SA 4.0 |
| Teide Observatory 2018 049.jpg | Photograph by Mike Peel ( www.mikepeel.net ). | CC BY-SA 4.0 |
| Teide Observatory 2018 050.jpg | Photograph by Mike Peel ( www.mikepeel.net ). | CC BY-SA 4.0 |
| Teide Observatory 2018 054.jpg | Photograph by Mike Peel ( www.mikepeel.net ). | CC BY-SA 4.0 |
| Teide Observatory 2018 084.jpg | Photograph by Mike Peel ( www.mikepeel.net ). | CC BY-SA 4.0 |
| Teide Observatory 2018 120.jpg | Photograph by Mike Peel ( www.mikepeel.net ). | CC BY-SA 4.0 |
| Telescope of Ventspils International Radio Astronomy Centre.jpg | Sandis Spolītis | CC BY-SA 4.0 |
| Telescope, 4 draw, in shagreen brass caps.jpg | Unknown author | CC BY 4.0 |
| Telescopi Fabra-ROA.jpg | Castellgalie | CC BY 4.0 |
| Telescopio 2.2 metros - 11007603325.jpg | jccsvq | CC BY 2.0 |
| Telescopio de 3.5 metros - 11007810544.jpg | jccsvq | CC BY 2.0 |
| Telescopio del Observatorio Carlos Cesco.jpg | Darío Alpern | CC BY-SA 3.0 |
| Telescopio in puntamento.jpg | Luciano Bernardi | CC BY-SA 4.0 |
| Telescopio Nazionale Galileo Tessicini.jpg | Giovanni Tessicini | Public domain |
| Telescopio UNLP 001.JPG | Claudio Elias | Public domain |
| Telescopio Zeiss di Merate - esterno 1.jpg | CAV | Public domain |
| Teleskop Timau.jpg | DaengAmmang | CC0 |
| Tenerife 2018 63.jpg | Photograph by Mike Peel ( www.mikepeel.net ). | CC BY-SA 4.0 |
| Teplická hvězdárna.jpg | Teplice | CC BY 2.0 |
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| Teylers Museum - Sterrenwacht gezien vanuit het Fundatiehuis.JPG | Quistnix | CC BY-SA 3.0 |
| The Astronomical Observatory of the Aosta Valley.jpg | P. Calcidese–Fondazione C. Fillietroz, ONLUS/ESO | CC BY 4.0 |
| The Crimean Astrophysical Observatory telescope (2005-09-290).jpg | Vyacheslav Argenberg from Rostov-on-Don, Russian Federation | CC BY 2.0 |
| The Dome of Discovery Channel Telecope.JPG | SSR2000 | CC BY-SA 3.0 |
| The E-ELT.jpg | Swinburne Astronomy Productions/ESO | CC BY 4.0 |
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| The Great Equatorial Telescope (35363018002).jpg | Tony Hisgett from Birmingham, UK | CC BY 2.0 |
| The HEAT telescope (ann14031b).jpg | Craig Kulesa | CC BY 4.0 |
| The Jacobus Kapteyn Telescope against clouds.jpg | Christoffer H. Støle | CC BY-SA 3.0 |
| The King's Observatory in winter.jpg | AndyScott | CC BY-SA 4.0 |
| The moon high above Cerro Chajnantor at sunset.jpg | ESO | CC BY 4.0 |
| The Next-Generation Transit Survey (NGTS) at Paranal (1502a).jpg | ESO/R. West | CC BY 4.0 |
| The NOEMA observatory operated by IRAM.jpg | IRAM-gre | CC BY-SA 4.0 |
| The Observatory, Orwell Park School - geograph.org.uk - 3257914.jpg | N Chadwick | CC BY-SA 2.0 |
| The Octagon at Amherst College, Amherst MA.jpg | John Phelan | CC BY 3.0 |
| The Thoth telescope at the Algonquin Radio Observatory.JPG | Bquine | CC BY-SA 3.0 |
| The Warner & Swasey Observatory at Kitt Peak National Observatory.jpg | Tom.Reding | CC BY-SA 3.0 |
| Theheightsobservatory.jpg | Bgeytenbeek | CC BY 3.0 |
| THEMISTeide.jpg | Pauljwright | CC BY-SA 3.0 |
| Thomas King Observatory.jpg | SPCarterObservatory | CC BY-SA 4.0 |
| Thuringia Gotha asv2020-07 img05 Sternwarte.jpg | A.Savin | FAL |
| Tiana observatory.jpg | Friviere | CC BY-SA 3.0 |
| Tican Observatory con2001.jpg | K. Korlević | Public domain |
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| Timpuckett1.jpg | Cometwatch | CC BY-SA 3.0 |
| TNA-400.jpg | Rumlin | CC BY-SA 3.0 |
| TOBS 2020 8.jpg | Woelle ffm | CC BY-SA 4.0 |
| Tochigi-Science-Museum.jpg | Rsa | CC BY-SA 3.0 |
| Top view of tmt complex.jpg | TMT Observatory Corporation | see file page |
| Toronto Magnetic Observatory, WNW 2.jpg | Maury Markowitz | Public domain |
| Torre Malakoff com o museu Cais do Sertão10x.jpg | Hansfotos | CC BY-SA 4.0 |
| Torre observatorio.jpg | upload by User:Auréola . | Public domain |
| Torun RT3 02.jpg | Photograph by Mike Peel ( www.mikepeel.net ). | CC BY-SA 4.0 |
| Torun RT4 13.jpg | Photograph by Mike Peel ( www.mikepeel.net ). | CC BY-SA 4.0 |
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| Tour solaire de l'Observatoire de Meudon 2.jpg | Aymeric C56 | CC BY-SA 4.0 |
| Toyamashi tenmondai.jpg | コヲダ | CC BY-SA 4.0 |
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| Transmiter P-400.jpg | Rumlin | CC BY-SA 3.0 |
| Trivandrum Observatory.jpg | Signalarun | CC BY-SA 4.0 |
| TSAO.jpg | Рудаков И.В. | Public domain |
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| Tsukuba VLBI Station.jpg | Miyuki Meinaka | Public domain |
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| Turku Old Observatory.jpg | Nescionomen | CC BY-SA 3.0 |
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| U Wash - Theodor Jacobsen Observatory 02.jpg | Joe Mabel | CC BY-SA 3.0 |
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| UH88 at sunset.jpg | Mailseth | CC BY-SA 3.0 |
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| ULCAN Alston Observatory - geograph.org.uk - 3261508.jpg | Rude Health | CC BY-SA 2.0 |
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| University of Reading Atmospheric Observatory.jpg | Tim Landy | CC BY-SA 4.0 |
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| Vassar College Observatory, March 2014.jpg | Collin Knopp-Schwyn | CC BY 4.0 |
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| VeelTelescopen(verroestten!).jpg | Johan Doe | CC BY-SA 3.0 |
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| VLBA MaunaKea 01.JPG | Denys (fr) | CC BY-SA 3.0 |
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| VLT Survey Telescope.jpg | ESO/G. Lombardi | CC BY 4.0 |
| VLTI.jpg | ESO | CC BY 3.0 |
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| Vue depuis rue Flandres 3.jpg | Éric Brosselin | CC BY-SA 3.0 |
| Víctor M Blanco 4-meter Telescope (noirlab-tololo-02).jpg | CTIO/NOIRLab/ NSF /AURA/D. Munizaga | CC BY 4.0 |
| Výlet na Klet - 28 srpna 2009 109.JPG | Safranek-interia.eu | CC0 |
| Wallpaper of 3.6-m Telescope at La Silla.jpg | ESO | CC BY 4.0 |
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| Walter-Hohmann-Sternwarte.jpg | Granpar | CC BY-SA 3.0 |
| WARK30M01.JPG | Sdweston | CC BY-SA 3.0 |
| Warkworth Radio Telescope.jpg | Sdweston | CC BY-SA 3.0 |
| Warkworth-12m&30m.jpg | Sdweston | CC BY-SA 3.0 |
| Warszawskie Obserwatorium Południowe Teleskop.jpg | Krzysztof Ulaczyk (more work on Wikimedia Commons: Kszulogaleria ) | CC BY-SA 2.5 |
| Washburn Observatory (53325395055).jpg | Chris Rycroft from Madison, Wisconsin, United States | CC BY 2.0 |
| Wempe Sternwarte Glashütte.jpg | Dr. Bernd Gross | CC BY-SA 4.0 |
| Wesleyan University - Van Vleck Observatory 01.jpg | Joe Mabel | CC BY-SA 3.0 |
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| Westerbork Synthese Radio Telescoop.JPG | Onderwijsgek | CC BY-SA 2.5 nl |
| Westford Radio Telescope - Haystack Observatory - DSC04000.JPG | Daderot | CC0 |
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| Westturm der Dr.-Remeis-Sternwarte in Bamberg.jpg | Tfr.didi | CC BY-SA 3.0 |
| Weyregg - Sternwarte Gahberg.JPG | C.Stadler/Bwag | CC BY-SA 4.0 |
| Whanganui, New Zealand (52).JPG | Michal Klajban | CC BY-SA 4.0 |
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| Whitin Observatory - Wellesley College - DSC09779.JPG | Daderot | Public domain |
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| Wide-field Infrared Survey Explorer spacecraft model 2.png | NASA | Public domain |
| Wien - Universitätssternwarte.JPG | C.Stadler/Bwag | CC BY-SA 4.0 |
| Wien-Kobenzl-2016.jpg | Karl Hilpolt | CC BY-SA 4.0 |
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| Wikipedia Jan Paagman-1.jpg | Liannewes | CC BY-SA 4.0 |
| Wilcox obwervatory.jpg | AlexP | CC BY-SA 4.0 |
| Wilder obsv.jpg | Pjmorse at English Wikipedia | Public domain |
| William herschel Telescope Dome.jpg | H. Raab ( User:Vesta ) | CC BY-SA 3.0 |
| Williams College - Hopkins Observatory.JPG | Daderot | Public domain |
| Wisconsin H-Alpha Mapper (Wisconsin-H-Alpha-Mapper-CC).jpg | CTIO/NOIRLab/NSF/AURA/D. Munizaga | CC BY 4.0 |
| WiseObservatory.jpg | Etan J. Tal | CC BY 3.0 |
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| Woomera 1964 0(1).jpg | NASA | Public domain |
| Wow signal profile.png | Cmglee | CC BY-SA 3.0 |
| WSO-UV Telescope.jpg | Andrzej Olchawa | CC BY-SA 2.0 |
| WTlogoorgD090227.jpg | Asteroidwatcher | CC BY-SA 4.0 |
| WyomingInfraRedObservatory.jpg | rptnorris | CC BY-SA 2.0 |
| Włocławek-observatory (2).jpg | Mariochom | CC BY-SA 4.0 |
| XAO Nanshan 25-m radio telescope 2007-08-22.jpg | Sunkins | CC BY-SA 3.0 |
| XMM-Newton spacecraft model.png | ESA/XMM-Newton, CC BY-SA 3.0 IGO | Public domain |
| XRISM 001.png | NASA's Goddard Space Flight Center Conceptual Image Lab | Public domain |
| XRT telescope (Swift).jpg | NASA | Public domain |
| Xujiahui Guanxiangtai Jiuzhi.jpg | Fayhoo | CC BY-SA 3.0 |
| Yale telescope at night.jpg | Derek J Moore | CC BY 4.0 |
| Yanagida Botanical Park - Mantenboshi.jpg | 運動会プロテインパワー | CC BY-SA 4.0 |
| Yerevan օbservatory from air, fall 2019.jpg | Aleksey Chalabyan a.k.a Xelgen | CC BY-SA 4.0 |
| Yerkesobservatoryfromair.jpg | Jtakemann | Public domain |
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