Kitt Peak National Observatory
Kitt Peak Observatory
Kitt Peak National Observatory domes
Kitt Peak National Observatory dome
Star trails over Mayall 4-metre telescope at KPNO
McMath-Pierce Solar Telescope
WIYN 0.9-metre telescope at KPNO
Kitt Peak National Observatory, low angle view
Gemini North telescope, Hawaii
Milky way and observatories, Hawaii
Evolution of Tucson city lights, 1959 to 2003
Open star cluster M39
Mayall 4-metre telescope at KPNO
Total lunar eclipse
Telescopes at dusk, La Palma
Kitt Peak Public Observatory
Halo over Kitt Peak National Observatory, Arizona, USA
Observatory
Royal Observatory Greenwich
European Southern Observatory, La Silla, Chile
Milky Way over Kitt Peak Observatory, USA
Night sky over Kitt Peak Observatory, USA
Moon and planets over MAGIC Telescope, Canary Islands
Galaxy NGC 4753
Elephant's Trunk Nebula, optical image
Supernova remnant G70.5+1.9, optical image
VLT Laser Guide Star Facility
Milky Way over the Atacama desert
McGraw-Hill Telescope interior, Arizona, USA
WIYN 3.5-metre Telescope, Arizona, USA
Kitt Peak
Harvest Moonrise over Dinosaur Park, Alberta, Canada
Southern and northern hemisphere night skies, composite image
Kitt Peak National Observatory telescopes
Very Large Telescope at night
MAGIC telescope and Milky Way
Iridium Flares
Orion and observatories, Hawaii
Flaming Star Nebula
Hydra telescopic spectrograph device focal plane
Starry night above Ali observatory, Tibet, China
Very Large Telescope, Paranal Observatory, Chile
Twilight Stargazing
SPECULOOS Southern Observatory, Chile
ALMA telescopes at night
Swedish-ESO Submillimetre Telescope at night
Milky Way over Kitt Peak Observatory
Airglow above La Silla Observatory, Chile
Visible and Infrared Survey Telescope for Astronomy, Chile
Orion over Kitt Peak Observatory, USA
Astronomy gathering
ExTrA telescopes at night
Solar eclipse
Moon over Prudhoe Bay
Paranal Observatory under star trails
Paranal Observatory at dusk, Chile
Galaxy cluster, composite image
The Milky Way Across Starry Sky Above Mountains
天体観測所
Hale Bopp and observatories, Hawaii
Centaurus over La Silla Observatory
Milky Way above Ali observatory, Tibet, China
Veil Nebula supernova remnant
アラスカ フェアバンクス 春の薄暮のオーロラ
Star trails
1.52-metre telescope, La Silla Observatory, Chile
Moon and Venus
Perigean Supermoon
Rising full Snow Moon
La Silla Observatory at night, Chile
Kitt Peak National Observatory during a lunar eclipse
Planetarium
Star trails above the BlackGEM optical telescope array
WIYN 3.5-metre telescope dome at KPNO
ALMA telescopes under stars
Northern stars over GTC Observatory, La Palma, Canary Islands
Swedish-ESO-Submillimetre Telescope and Milky Way
Swedish-ESO Submillimetre telescope
Towers for the BlackGEM telescope at night
Man standing on platform at night, Chile
ExTrA telescopes at night, Chile
Laser guide star, VLT, Chile
ALMA radio telescope at night, Chile
New Technology Telescope at night, Chile
Comet Lovejoy, La Silla Observatory, Chile
Milky Way over Roque de los Muchachos Observatory
Andromeda galaxy
Noctilucent clouds
La Silla ESO observatory
Roque de los Muchachos Observatory beneath the Milky Way
Mount Wilson 100-inch telescope dome
Mount Wilson 60-inch telescope
Observatory telescopes with the Milky Way, full-dome image
Observatory telescopes with star trails, full-dome image
Telescopes at an observatory with the Milky Way
Night sky view over Cerro Tololo Observatory, Chile
Vera C Rubin Observatory, Chile, fishyeye view at night
Orion over the Georgia Strait, Canada
Comet Hale-Bopp
Zodiacal light over an Atlantic coastline
Stars in sky over the lake, Lake of The Woods, Ontario, Canada
Stars in Cloudy Night Sky with Silhouetted Trees
Cold Winter Moonrise and Lone Tree
The Rising Cold Winter Moon
Venus in Twilight (December 20, 2021)
Lunar Eclipse (May 15, 2022)-Rising Partial
Lunar Eclipse (May 15, 2022)-Deep Partial
Comet NEOWISE at twilight, July 2020
Arc of noctilucent clouds
Fragment of noctilucent clouds
Jupiter, Saturn and the Milky Way at twilight
Noctilucent clouds at dawn
Noctilucent clouds in twilight
Circumpolar star trails with noctilucent clouds
Star cluster NGC 6520
Globular cluster M13
Seyfert galaxy NGC 1365
Spiral galaxy NGC 2841
Very Large Telescope at night, Chile
Amateur astronomers
Star Party 2021, Alberta, Canada
Blanco 4-metre telescope dome at CTIO
Mars and La Silla Observatory, Chile
Astronomer
USA, Arizona, Saguaro National Park at twilight
Mayall 4-meter Telescope at night, Arizona, USA
SOFIA airborne observatory aircraft
Aerial View from Airplane of Urban City at Night
Stars over the Atacama Desert, Chile at sunset
Milky Way over Sliding Spring Observatory
Milky Way seen from both hemispheres, composite photograph
Triangulum Galaxy
MAGIC telescope and star trails
Man staring at the night sky, Atacama Desert, Chile
Moon and Venus at night, La Silla, Chile
Man staring at the Milky Way at night
Danish 1.54-metre telescope, Chile
VISTA telescope at night, Chile
Comet 252PLINEAR and VLT at night, Chile
Cerro Armazones at night, Chile
Jupiter and the Milky Way
Partial solar eclipse, Atacama Desert, Chile