LOWELL OBSERVATORY.
Lowell Observatory, Arizona, USA
Pluto discovery glass plate
Percival Lowell, US astronomer
Kitt Peak Observatory
Kitt Peak National Observatory
Open star cluster M39
WIYN 0.9-metre telescope at KPNO
European Extra Large Telescope, artwork
Mayall 4-metre telescope at KPNO
Composite of Orion and Anglo-Australian Telescope
Telescope & Orion
PLUTO: HUBBLE VIEW, 1996.
Elephant's Trunk Nebula, optical image
Supernova remnant G70.5+1.9, optical image
Galaxy NGC 4753
Kitt Peak National Observatory, low angle view
Double star system HR 6819, illustration
Supernova 1987a remnant, artwork
Carina Nebula, VLT image
Flaming Star nebula
Flaming Star nebula (IC 405)
Reflection nebulae NGC 1973-1977
Double star cluster
Star cluster Chi Persei
Open star cluster NGC 7789, optical image
Globular star cluster M55 (NGC 6809)
Galaxies (NGC 5985, NGC 5982, NGC 5981)
Galaxy cluster Abell 2151
Perseus galaxy cluster (Abell 426)
ALMA antenna integration area, 2010
PLUTO: SURFACE, 1994.
Mt. Hamilton, California: c. 1900.The Great Lick 36 inch refractor telescope in the Lick Observatory. (C) Underwood Archives / The Image Works
Flaming Star Nebula
Pluto.
おおぐま座と天体観測所
European Southern Observatory, La Silla, Chile
Pelican nebula
Orion nebula
Lagoon nebula
Planetary nebula NGC 246
Veil nebula supernova remnant
McMath-Pierce Solar Telescope
Hale Telescope and dome, artwork
Cerro Tololo Inter-American Observatory
Binary black hole, illustration
SU Aurigae, VLT image
Wyoming Infrared Observatory
NGC 7727 galaxy, optical image
New Technology Telescope at La Silla, Chile
Hubble Space Telescope the tenth planet currently nicknamed Xena and found that it's only slightly larger than Pluto
Keck telescope domes
Site of the Very Large Telescope at Cerro Paranal
United Kingdom Infrared Telescope on Mauna Kea
Galaxy cluster, composite image
Gemini North telescope
Observatories at Mauna Kea, with comet Hale-Bopp
Lowell Observatory telescope
Total lunar eclipse
PLUTO, 1990.
Observatory
SPECULOOS Southern Observatory, Chile
Centaurus A galaxy, optical image
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
M5 mirror of the Extremely Large Telescope, illustration
Airglow above La Silla Observatory, Chile
Roque de los Muchachos Observatory, La Palma, Canary Islands
Comet C-2014 S3 (PANSTARRS), illustration
Mountain telescope and stars, conceptual illustration
Carina Nebula, composite image
Meathook Galaxy, composite image
NGC 1333 reflection nebula
Tarantula Nebula, composite image
Orion Nebula
Gemini North telescope, Hawaii
Milky way and observatories, Hawaii
Spiral galaxy NGC 1232, optical image
Jupiter, infrared Gemini North image
Nebula NGC 6164-5 and star HD 148937
Emission nebula IC 5068, optical image
Emission nebula NGC 896, optical image
Planetary nebula M2-9
Planetary nebula NGC 5189
Supernova in NGC 1559
Leo Triplet galaxies
Robert's Quartet, interacting galaxies
Galaxies M81 and M82
Veil Nebula supernova remnant
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
Merger of two neutron stars creating strontium, illustration
European Extremely Large Telescope
天体望遠鏡
Star tidally disrupted by a black hole, illustration
SEST radio telescope at La Silla, Chile
McGraw-Hill Telescope interior, Arizona, USA
WIYN 3.5-metre Telescope, Arizona, USA
望遠鏡架台部
Andromeda galaxy
England,London,Greenwich,Royal Observatory,The 28-inch Telescope Dome
Flammarion Observatory, France
Observatory of Strasbourg
Calar Alto Observatory
The Arizona meteor crater.
The Astronomical observatory in Bogota.
Star trails over Mayall 4-metre telescope at KPNO
ALMA antenna construction, 2010
Royal Observatory Greenwich
Abell 85 supernova remnant
Abell 2744 galaxy cluster, radio image
Very Large Array antennae
Supermassive black hole, illustration
Swedish-ESO Submillimetre Telescope at night
Meathook Galaxy (NGC 2442)
Spiral galaxy NGC 6744, optical image
Merged galaxies
Trifid nebula (M20)
Large Synoptic Survey Telescope, artwork
MAGIC telescope and Milky Way
La Silla Observatory at night, Chile
The Andromeda Galaxy
Mount Wilson Hooker telescope, USA
Control room of the Gemini South Telescope, Chile
PLUTO: ORIENTATION, 1996.
Gemini North and CFHT observatories, Mauna Kea, Hawaii
Gemini South Telescope, interior panoramic view
SOAR and Gemini South telescopes, Chile
SOAR Telescope interior, Chile
Inside the SMARTS 1.5m telescope dome
ALMA radio astronomy telescopes
PLUTO AND MOON, 1990.
Observatories on summit of Mauna Kea
Triangulum Galaxy (M33), optical image
Galaxy cluster Abell 520
Southern and northern hemisphere night skies, composite image
Galaxy SXDF-NB1006-2, illustration
Dust disc around HD 107146, ALMA image
Blanco 4-metre telescope dome at CTIO
T80-South Telescope interior, Chile
GranTeCan telescope, artwork
Betelgeuse, ALMA image
Dish antennae of the VLA radio telescope, NM, USA
Kitt Peak National Observatory during a lunar eclipse