Evolution of Tucson city lights, 1959 to 2003
Kitt Peak National Observatory domes
Kitt Peak National Observatory dome
Kitt Peak National Observatory
Star trails over Mayall 4-metre telescope at KPNO
Kitt Peak Observatory
McGraw-Hill Telescope interior, Arizona, USA
WIYN 3.5-metre Telescope, Arizona, USA
McMath-Pierce Solar Telescope
Comet Holmes, November 2007, CHFT image
McMath-Pierce Solar Telescope, Arizona, USA
Full Moon and Jupiter above London skyline, time-lapse image
Mayall 4-metre telescope at KPNO
Mayall 4-meter Telescope at night, Arizona, USA
Summer stars and light pollution
Autumn stars and light pollution
Winter stars and light pollution
Milky Way over Cerro Armazones
Star trails over La Silla, Chile
Tatel radio telescope
Star trails over Cerro Paranal telescopes
Veil Nebula supernova remnant
Total lunar eclipse at totality, July 2018
Total lunar eclipse just after totality, July 2018
Total lunar eclipse of July 2018, time-lapse sequence
VLT Laser Guide Star Facility
Comet Holmes, November 2007
Comet 2022 E3 (ZTF)
Comet 2022 E3 (ZTF) in Taurus
Total lunar eclipse at totality, May 2022
Kitt Peak National Observatory telescopes
Perseid meteor over Yosemite
ALMA telescopes at night
Kitt Peak Public Observatory
Perseid meteor track over Hawaii
Elephant's Trunk Nebula, optical image
Supernova remnant G70.5+1.9, optical image
WIYN 0.9-metre telescope at KPNO
Galaxy cluster, composite image
Halo over Kitt Peak National Observatory, Arizona, USA
Stars over ALMA
Start of total lunar eclipse, July 2018
Total lunar eclipse near totality, July 2018
Total lunar eclipse just before totality, July 2018
Total lunar eclipse of July 2018, time-lapse montage
VLT Laser Guide Star Facility, Paranal Observatory, Chile
Meteor over Grand Canyon, USA
Crescent Moon, Venus and Jupiter
Venus and Jupiter conjuction
Night sky over Meili Snow Mountains, China
Starry night over Nepalese village
Starry night over Tibetan village
Light pollution from Hong Kong
Night sky over Tucson, Arizona, USA
Riyadh at night, ISS image
Earth's geocorona from the Moon during Apollo 16, 1972
Airglow over La Silla Observatory
Orion in night sky above Buddhist temple
Buddhist temple at Mount Emei, China
Zodiacal light and Milky Way over Yunnan, China
Thunderstorm and Milky Way over Yaqing Monastery
Milky Way over Yaqing Monastery
Summer stars without light pollution
Autumn stars without light pollution
Winter stars without light pollution
Milky Way and SEST telescope
Perseid meteor over VLT telescopes
Total lunar eclipse
Milky Way over Scottish loch
Meteor track over Scottish loch
Comet Lulin and Saturn
Comet Holmes in Perseus, November 2007
Cassegrain telescope and Moon
Milky Way over the Atacama Desert
APEX radio telescope and night sky
Gaia satellite image of stars near the Galactic Centre
Milky Way Galactic Plane, infrared image
Large Magellanic Cloud over Atacama desert, Chile
Milky Way reflected in lagoon
Telescope at an observatory with the Milky Way
Milky Way over Cumeada Observatory, Portugal
Large Magellanic Cloud
Geminid meteor shower over Blue Moon Valley, China
Geminid meteor shower over Jade Dragon Snow Mountain, China
Gemini North telescope, Hawaii
MAGIC telescope and star trails
Milky Way over Palomar Observatory
Paranal Observatory under star trails
Very Large Telescope at night
APEX telescope and ice penitentes
ALMA telescopes under stars
Gemini North telescope
Very Large Telescope, Chile
Milky Way over La Palma observatory
Milky Way over GranTeCan telescope
Jupiter over La Silla Observatory, Chile
Milky Way over La Silla observatory
Stars over La Silla observatory, Chile
Southern and northern hemisphere night skies, composite image
Swedish-ESO Submillimetre Telescope at night
Man staring at the night sky, Atacama Desert, Chile
Red sprites, Paranal Observatory, Chile
Moon and Venus at night, La Silla, Chile
Man staring at the Milky Way at night
Very Large Telescope at night, Chile
ALMA radio telescope at dusk, Chile
Man staring at the night sky, ALMA, Chile
ALMA radio telescope at sunset, Chile
Airglow above La Silla Observatory, Chile
Very Large Telescope firing laser beams at night
Towers for the BlackGEM telescope at night
ExTrA telescopes at night
Laser guide star, VLT, Chile
Laser guide star and star trails, VLT, Chile
Man standing on platform at night, Chile
Paranal Residencia at night, Chile
Danish 1.54-metre telescope, Chile
ExTrA telescopes at night, Chile
SPECULOOS Southern Observatory, Chile
ALMA radio telescope at night, Chile
Paranal Observatory at sunset, Chile
Comet Lovejoy, La Silla Observatory, Chile
Milky Way seen from both hemispheres, composite photograph
Milky Way at night, Chile
VLT Auxiliary Telescope at night, Chile
Atacama Desert at night, Chile
VISTA telescope at night, Chile
Paranal Observatory at night, Chile
Comet 252PLINEAR and VLT at night, Chile
Cerro Armazones at night, Chile
New Technology Telescope at night, Chile
Jupiter and the Milky Way
Partial solar eclipse, Atacama Desert, Chile
Star trails above the BlackGEM optical telescope array
Milky Way over Paranal Observatory, Chile