Lowell Observatory, Arizona, USA
Percival Lowell, US astronomer
Frank Drake, US astrophysicist
Otto Struve, Russian-US astronomer
Kitt Peak National Observatory
Kitt Peak Observatory
Wyoming Infrared Observatory
Observatory of Strasbourg
Elephant's Trunk Nebula, optical image
Supernova remnant G70.5+1.9, optical image
WIYN 0.9-metre telescope at KPNO
Mayall 4-metre telescope at KPNO
Total lunar eclipse
Galaxy NGC 4753
Sebastian von Hoerner, German radio astronomer
Section of an astronomical observatory
External view of an astronomical observatory
Star trails over Mayall 4-metre telescope at KPNO
Flaming Star Nebula
Open star cluster M39
Tatel radio telescope and US astrophysicist Frank Drake
Astronomer
David Levy
Halo over Kitt Peak National Observatory, Arizona, USA
Galaxy cluster, composite image
Smithsonian Astrophysical Observatory staffers working
Lovell radio telescope
Kitt Peak National Observatory, low angle view
Binocular telescope
Percival Lowell's book Mars
Tatel radio telescope control room, 1960s
Pluto discovery glass plate
Star 51 Pegasi
Double Star Albireo
Variable Star Algol
The Hercules Globular Cluster M13
Mizar and Alcor Star System
Mizar and Alcor Star System Close-up View
Polaris
Wide field view of the Antennae Galaxies
NGC 3324 star cluster, telescope image
McGraw-Hill Telescope interior, Arizona, USA
WIYN 3.5-metre Telescope, Arizona, USA
Andromeda galaxy
天体観測所
Jantar Mantar observatory at Delhi, 1810s
Kitt Peak National Observatory domes
Kitt Peak National Observatory dome
Very Large Array antennas, USA
Very Large Array antenna, USA
McMath-Pierce Solar Telescope
Edward Charles Pickering.
Wyoming infrared observatory
Abell 85 supernova remnant
W50 supernova remnant, radio image
Abell 2744 galaxy cluster, radio image
Very Large Array antennae
ALMA radio astronomy telescopes
VLA radio telescope
Very Large Array radio antenna
Mount Wilson solar tower observation room
Gemini North and CFHT observatories, Mauna Kea, Hawaii
Keck telescope domes
Site of the Very Large Telescope at Cerro Paranal
United Kingdom Infrared Telescope on Mauna Kea
300-foot Green Bank radio telescope, 1962
100-metre Green Bank Telescope
Green Bank Interferometer radio telescopes
Long Wavelength Array radio antennas
ゴーチェ子午環
天文台のドーム
自動光電子環
東京天文台
Blood moon during partial lunar eclipse, Germany
Cerro Tololo Inter-American Observatory
Centaurus over La Silla Observatory
Joseph Pawsey, Australian radio astronomer
Roque de los Muchachos Observatory, La Palma, Canary Islands
Mount Wilson solar observation towers
Centre of Milky Way galaxy, VLA radio image
John Flamsteed
Pehr Wargentin
Jantar Mantar
Lovell radio telescope receiver
VISTA telescope
Composite of Orion and Anglo-Australian Telescope
Telescope & Orion
New Technology Telescope at La Silla, Chile
Free-floating planet, telescope image
Open star cluster NGC 3766, optical image
Leonhard Euler telescope, fisheye image
Messier 7 star cluster, optical image
Star trails above the BlackGEM optical telescope array
Planetarium
Vassar College Observatory
Kitt Peak Public Observatory
Royal Observatory Greenwich
Lowell Observatory telescope
Paris Observatory
Triangulum Galaxy
USNO Great Equatorial dome
Sears Cook Walker, American astronomer
Dish antennae of the VLA radio telescope, NM, USA
Flammarion Observatory, France
Mount Wilson Hooker telescope, USA
Prague astronomical observatory
IceCube neutrino observatory, South Pole
Observatory
Carl Friedrich Wilhelm Peters.
William Herschel, English astronomer
Copernicus crater on the Moon
赤道儀
65cm屈折望遠鏡
天体望遠鏡接眼部
天体望遠鏡操作盤
手回し計算機
天文台ドーム
Jewel Box star cluster, optical-IR image
Milky Way, submillimetre image
Large Magellanic Cloud
U Antliae star
Southern and northern hemisphere night skies, composite image
SU Aurigae, VLT image
Dwarf galaxy, composite image
Supernova 1987a remnant, artwork
Extrasolar planetary system, artwork
European Extremely Large Telescope
Helix Nebula, VISTA image
Carina Nebula, VLT image
Bubble Nebula NGC 7635
Flaming Star nebula
Flaming Star nebula (IC 405)
Reflection nebulae NGC 1973-1977
Star cluster NGC 6520
Globular cluster M13
Open star cluster M35
Double star cluster
Star cluster Chi Persei
Open star cluster NGC 7789, optical image
Globular star cluster M55 (NGC 6809)
Irregular galaxy NGC 3109
Galaxies (NGC 5985, NGC 5982, NGC 5981)
Seyfert galaxy NGC 1365
Spiral galaxy NGC 2841
Pinwheel Galaxy