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Camera obscura used to study sunspots

Camera obscura used to study sunspots

Camera obscura used to study sunspots

Large refracting telescope, Potsdam

Mounting for a refracting telescope

Illustration of a camera obscura

Galileo Galilei, Italian astronomer

Hevelius observing with a telescope

Hevelius's plan for a tower observatory

Sunspots

Sunspots

Sunspots

Flower Observatory 18-inch telescope

Equatorial coude' refracting telescope

Peter Dollond, British optician

Microscope stage and lenses

Microscope stage and lenses

Microscope stage and lenses

Microscope stage and lenses

Microscope stage and lenses

Microscope stage and lenses

Microscope stage and lenses

Microscope stage and lenses

Rosette nebula

Reflection nebula

Comet P2013 CU129

Comet C2011 L4

Observers using a refracting telescope

Flammarion Observatory, France

USNO Great Equatorial telescope

USNO Great Equatorial telescope

Moon's surface

Moon's surface

Moon's surface

Moon's surface

Moon's surface

Moon's surface

Perseus A galaxy, X-ray image

Super star cluster Westerlund 1

Lord Rosse's reflecting telescope

Horizontal Moon

Lighting paper using the sun's rays

Binoculars under x-ray

Telescopes

VST image processing workflow

Observatory telescope

Dark matter and Abell galaxy cluster

Small Magellanic Cloud

Beine-Nauroy observatory, France

Overall view of COAST telescope system, Cambridge

Active galaxy, gamma ray image

Jones Emberson 1 planetary nebula

Jones Emberson 1 planetary nebula

Spiral galaxy IC 1936

Supernova remnant Cassiopeia A

Supernova remnant Cassiopeia A

HESS gamma ray telescope, Namibia

HESS gamma ray telescope, Namibia

HESS gamma ray telescope, Namibia

HESS gamma ray telescope, Namibia

Jellyfish nebula

Jellyfish nebula

Lunar eclipse

Reflection nebulae VdB 14 & 15

Globular star cluster M22

Globular cluster M53

Open star cluster NGC 457, optical image

Globular star cluster NGC 362

Globular star cluster NGC 6760, IR image

Alnilam star (Epsilon Orionis)

Planetary nebula PK164

Maffei I and II galaxies

Spiral galaxy NGC 2403, optical image

Active galaxy NGC 1055, optical image

Abell 1060 galaxy cluster

Klemola 44 galaxy cluster

M14 Globular Star Cluster, optical image

Nebula NGC 1760, optical image

Tulip nebula, optical image

Nebulae NGC 2020 and NGC 2014

Star trails over dome of Nordic Optical Telescope

McMath Solar Telescope at Kitt Peak

Planetary nebula IC 1295, telescope image

IC 2944 nebula, VLT image

Gemini South Telescope, interior panoramic view

Vera C Rubin Observatory, Chile, fishyeye view

SOAR and Gemini South telescopes, Chile

SOAR Telescope interior, Chile

Victor M Blanco telescope, interior view

Inside the SMARTS 1.5m telescope dome

Nicholas U Mayall Telescope during a total lunar eclipse

Kitt Peak National Observatory during a lunar eclipse

Nicholas U Mayall Telescope during a total lunar eclipse

Amateur astronomical telescope

Amateur astronomical telescope

Amateur astronomical telescope

Herschel space telescope construction

Herschel Space Observatory construction

Replica of Newton's reflecting telescope

Solar observatory

Newton's catadioptric telescope, 1672

Visible and Infrared Survey Telescope for Astronomy, Chile

European Southern Observatory, La Silla, Chile

Volume phase holographic grating

Telescopes

Leon Foucault, French physicist

Camera lens

Optics of camera with no lens

Diagram of camera showing projection of an object onto film

Microscope lens in a laboratory

Elliptical galaxy NGC 1132

Galactic centre, gamma ray image

Galaxy IC 4870 with an active galactic nucleus, Hubble image

George Wilhelm Richmann, naturalist

Christiaan Huygens, Dutch physicist

Microscope binocular eyepiece

Microscope binocular eyepiece

白衣の天の川

Zoom camera lens

Zoom camera lens

Zoom camera lens

Argentine National Observatory

Full Moon

2.2-metre optical telescope

3.5-metre optical telescope

GMT mirror manufacture

Harvest Moonrise

Speculum metal mirror for telescope

Very Large Telescope, Paranal Observatory, Chile

Halley's Comet, 1910

Halley's Comet, 1910

Halley's Comet, 1910

Comet 29P Schwassmann-Wachmann

Arnold Wolfendale, British astronomer

Herschel space telescope construction

US Naval Observatory refractor telescope, 19th century

Anton von Leuwenhoek, Dutch microscopist

Glass cube optical component

Wide angle lens

Convergence and divergence

Sunspots

Telescope, X-ray

Coma galaxy cluster (Abell 1656)

Stars in globular cluster NGC 6397

Dwarf galaxy NGC 4449, HST image

43-metre radio telescope at Green Bank, USA

IC 2944 emission nebula

Barred spiral galaxy NGC 2903

Orion Nebula, infrared image

Spiral galaxies NGC 4302 and NGC 4298, HST image

Spiral galaxies NGC 4302 and NGC 4298, infrared HST image

Helmet Nebula, VLT image

Nebula RY Tauri

Emission nebula N44

Emission nebula N44

Large Magellanic Cloud, annotated image

Big Dipper and Ursa Minor constellation

Cassiopeia constellation and Andromeda

Triangulum and Andromeda galaxies

Carina nebula

Globular cluster and planetary nebula

ROSAT satellite in checkout building

ROSAT being loaded into launch cradle

EXOSAT X-ray astronomical satellite

Spiral galaxy NGC 1365, HAWK-I image

Globular star cluster M55, infrared image

Nebula and star cluster NGC 6604

Triangulum Galaxy, 19th century

Wild Duck star cluster (M11)

Omega Centauri (NGC 5139) composite image

Fermi Gamma-ray Space Telescope sky map

Fermi Gamma-ray Space Telescope sky map

Gamma ray burst 080916C

Active galaxy NGC 1275, gamma ray image

Omega nebula

Andromeda galaxy (M31), infrared image

Spiral galaxy NGC 2841, infrared image

Colliding galaxy NGC 6240

Triangulum galaxy (M33)

Triangulum galaxy (M33), infrared image

Galaxy cluster MACS J0717

Supernova 1987a remnant, artwork

European Extremely Large Telescope

James Webb Space Telescope mirror

SuWt 2 planetary nebula

Spiral galaxy M74

Spiral galaxy NGC 2397

Kitt Peak National Observatory

Active galaxy NGC 1275, HST image

Supernova remnant N132D, X-ray image

Stellar jets HH 46/47, infrared image

Heart and Soul nebulae

Heart and Soul nebulae

Heart and Soul nebulae

Bubble nebula

Bubble nebula

Bubble nebula

Bubble nebula

Bubble nebula

Butterfly nebula (IC 1318)