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Free refractor photos

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$gray, black, refractor telescope, telescope, by looking, view, optics, background, desktop background, screen background, vision$
gray, black, refractor telescope, telescope, by looking, view, optics, background, desktop background, screen background, vision

Public Domain
5000x3000px
$Total Lunar Eclipse, January 9, 2001, Giuseppe Donatiello, 62 minutes totality, Denjon Scale, Elitechrome E200 film, 120/1000mm refractor, clear eclipse, moon phases$
Total Lunar Eclipse, January 9, 2001, Giuseppe Donatiello, 62 minutes totality, Denjon Scale, Elitechrome E200 film, 120/1000mm refractor, clear eclipse, moon phases

Public Domain
3400x3400px
$Moon, December 17, 2024, Full Moon, night, sky, space, universe, Luna, Giuseppe Donatiello, 127mm ED refractor$
Moon, December 17, 2024, Full Moon, night, sky, space, universe, Luna, Giuseppe Donatiello, 127mm ED refractor

Public Domain
5910x4080px
$Whirlpool Galaxy, M51, night sky, astronomy, 5 inch Refractor, Losmandy mount, Luminance, Red Green Blue, Hydrogen alpha, star field, spiral galaxy$
Whirlpool Galaxy, M51, night sky, astronomy, 5 inch Refractor, Losmandy mount, Luminance, Red Green Blue, Hydrogen alpha, star field, spiral galaxy

Public Domain
5496x3672px
$Pleiades, star cluster, night sky, long exposure, 183mc pro, WO 61mm Refractor, Great Lake, star gaze, astronomy, celestial, nebula$
Pleiades, star cluster, night sky, long exposure, 183mc pro, WO 61mm Refractor, Great Lake, star gaze, astronomy, celestial, nebula

Public Domain
5920x5956px
$Witch Head Nebula, Bortle 4 skies, William Optics, 61mm Refractor, ASI 533MC Pro, ASI Plus, deep space, star field, astronomical photography, night sky, celestial object$
Witch Head Nebula, Bortle 4 skies, William Optics, 61mm Refractor, ASI 533MC Pro, ASI Plus, deep space, star field, astronomical photography, night sky, celestial object

Public Domain
5400x3632px
$Iris Nebula, reflection nebula, NGC 7023, Caldwell 4, Cepheus constellation, star fields, glowing gaseous, blue red filaments, hydrocarbons, 183MC Pro, 61mm Refractor$
Iris Nebula, reflection nebula, NGC 7023, Caldwell 4, Cepheus constellation, star fields, glowing gaseous, blue red filaments, hydrocarbons, 183MC Pro, 61mm Refractor

Public Domain
4803x3434px
$Bubble Nebula, open cluster, M52, Sharpless Catalogue, 61mm Refractor, ZWO 183MC Pro, Optolong L Ultimate filter, deep space, celestial objects, star field, nebulae$
Bubble Nebula, open cluster, M52, Sharpless Catalogue, 61mm Refractor, ZWO 183MC Pro, Optolong L Ultimate filter, deep space, celestial objects, star field, nebulae

Public Domain
6930x5196px
$C/1996 B2, comet, Hyakutake, solar system, sky, space, photoscan, refractor, film, stack, exposures$
C/1996 B2, comet, Hyakutake, solar system, sky, space, photoscan, refractor, film, stack, exposures

Public Domain
1257x816px
$Galaxy, NGC4565, starless sky, Canon700Da, Canon 6Da, Esprit 100, refractor, Pixinsight, foreground stars, NGC4562, IC3547$
Galaxy, NGC4565, starless sky, Canon700Da, Canon 6Da, Esprit 100, refractor, Pixinsight, foreground stars, NGC4562, IC3547

Public Domain
3712x2384px
$Pelican Nebula, Cygnus Wall, SHO Palette, RGB Stars, ZWO 294mm camera, William Optics 61mm Refractor, Losmandy G811 Mount, deep space, astrophotography, star field, cosmic clouds$
Pelican Nebula, Cygnus Wall, SHO Palette, RGB Stars, ZWO 294mm camera, William Optics 61mm Refractor, Losmandy G811 Mount, deep space, astrophotography, star field, cosmic clouds

Public Domain
3531x2332px
$Lunar occultation, Jupiter, Moon, September 12, 1983, Oria Italy, celestial event, astronomy, night sky, 60/900mm refractor, Praktica MTL5$
Lunar occultation, Jupiter, Moon, September 12, 1983, Oria Italy, celestial event, astronomy, night sky, 60/900mm refractor, Praktica MTL5

Public Domain
5344x5649px
$Soul Nebula, 2 Panel mosaic, Bortle 7.5, 61mm Refractor, L Enhance filter, iOptron GEM28 Mount, ASI 183MC Pro camera, 5 hours per frame, PixInsight processing$
Soul Nebula, 2 Panel mosaic, Bortle 7.5, 61mm Refractor, L Enhance filter, iOptron GEM28 Mount, ASI 183MC Pro camera, 5 hours per frame, PixInsight processing

Public Domain
3594x2472px
$Jellyfish Nebula, Oiii, stars, night sky, astronomy, 294mm lens, WO 61mm, F5.9 refractor, long exposure, space, nebula$
Jellyfish Nebula, Oiii, stars, night sky, astronomy, 294mm lens, WO 61mm, F5.9 refractor, long exposure, space, nebula

Public Domain
3955x2752px
$Ghosts of Cassiopeia, LRGB, nebula, stars, ES 127mm Refractor, ASI 294mm Pro, Losmandy G811G mount, NINA, PixInsight, astrophotography, space$
Ghosts of Cassiopeia, LRGB, nebula, stars, ES 127mm Refractor, ASI 294mm Pro, Losmandy G811G mount, NINA, PixInsight, astrophotography, space

Public Domain
3002x4475px
$moon, sky, night, Luna, grazing lighting, direct lighting, lunar region, albedo variations, orography, Apo refractor, DIY MaxCam$
moon, sky, night, Luna, grazing lighting, direct lighting, lunar region, albedo variations, orography, Apo refractor, DIY MaxCam

Public Domain
1334x1334px
$Moon, ISS, transit, composite, frames, Z80, refractor, Grasshopper, 3, camera, space$
Moon, ISS, transit, composite, frames, Z80, refractor, Grasshopper, 3, camera, space

Public Domain
2593x1925px
$M101, spiral galaxy, LRGB, Ha filter, astrophotography, ES 127mm Refractor, ASI 294mm Pro, Losmandy G811G mount, NINA capture, PixInsight processing, deep space$
M101, spiral galaxy, LRGB, Ha filter, astrophotography, ES 127mm Refractor, ASI 294mm Pro, Losmandy G811G mount, NINA capture, PixInsight processing, deep space

Public Domain
2648x2648px
$NGC 7822, Sharpless 171, star forming complex, Cepheus constellation, emission region, dust lanes, nebula, astrophotography, deep space, light years, refractor camera$
NGC 7822, Sharpless 171, star forming complex, Cepheus constellation, emission region, dust lanes, nebula, astrophotography, deep space, light years, refractor camera

Public Domain
5000x3750px
$Venus, 2013 apparition, 1000nm, NIR, Near Infrared, atmospheric structure, thermal structure, radiative processes, convective processes, ED127mm refractor, Germanium filter$
Venus, 2013 apparition, 1000nm, NIR, Near Infrared, atmospheric structure, thermal structure, radiative processes, convective processes, ED127mm refractor, Germanium filter

Public Domain
2593x1925px
$M101, Pinwheel Galaxy, spiral galaxy, deep space, astrophotography, RGB filters, Luminance, refractor telescope, ASI camera, Losmandy mount, PixInsight$
M101, Pinwheel Galaxy, spiral galaxy, deep space, astrophotography, RGB filters, Luminance, refractor telescope, ASI camera, Losmandy mount, PixInsight

Public Domain
4837x3416px
$M33, Triangulum Galaxy, 3 minute exposures, WO 61mm Refractor, ASI 183mc pro, iOptron Gem28, night sky, stars, astronomy, galaxy, space$
M33, Triangulum Galaxy, 3 minute exposures, WO 61mm Refractor, ASI 183mc pro, iOptron Gem28, night sky, stars, astronomy, galaxy, space

Public Domain
3754x2329px
$California Nebula, Ha, space, stars, astronomy, 61mm refractor, 294mm camera, long exposure, celestial, nebula, black and white$
California Nebula, Ha, space, stars, astronomy, 61mm refractor, 294mm camera, long exposure, celestial, nebula, black and white

Public Domain
1826x1691px
$Donatiello I, galaxy, dwarf spheroidal, Andromeda, TNG, GTC, La Palma, Spain, amateur image, refractor, ED127mm$
Donatiello I, galaxy, dwarf spheroidal, Andromeda, TNG, GTC, La Palma, Spain, amateur image, refractor, ED127mm

Public Domain
2587x2007px
$Rosette Nebula, star cluster, NGC2237, astrophotography, Canon DSLR, Esprit refractor, blue stars, red hydrogen, blue oxygen, space, universe$
Rosette Nebula, star cluster, NGC2237, astrophotography, Canon DSLR, Esprit refractor, blue stars, red hydrogen, blue oxygen, space, universe

Public Domain
3203x3203px
$high resolution, imaging techniques, Betelgeuse, Sirius, speckle imaging, star, double star, red supergiant, Sirius B, MaxCam1280, refractor$
high resolution, imaging techniques, Betelgeuse, Sirius, speckle imaging, star, double star, red supergiant, Sirius B, MaxCam1280, refractor

Public Domain
3912x2520px
$Crescent nebula, SHO palette, Wolf-Rayet star, WR 136, stellar wind, ZWO 294mm, ZenithStar 61ii, APO refractor, Losmandy G811, Sulfur Hydrogen Oxygen, final version$
Crescent nebula, SHO palette, Wolf-Rayet star, WR 136, stellar wind, ZWO 294mm, ZenithStar 61ii, APO refractor, Losmandy G811, Sulfur Hydrogen Oxygen, final version

Public Domain
5496x3672px
$Dark Shark Nebula, William Optics ZenithStar 61, ZWO ASI183MC Pro, iOptron GEM28, ZWO UV IR CUT, Great Lake Star Gaze, 61mm Refractor, Color Camera, 3 minute exposures, 7 hours capture, dust details$
Dark Shark Nebula, William Optics ZenithStar 61, ZWO ASI183MC Pro, iOptron GEM28, ZWO UV IR CUT, Great Lake Star Gaze, 61mm Refractor, Color Camera, 3 minute exposures, 7 hours capture, dust details

Public Domain
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$Full Moon, mineral, March 13, 2025, Giuseppe Donatiello, 127ED, 1140mm, f/9, refractor, 200 ISO, 1/400s$
Full Moon, mineral, March 13, 2025, Giuseppe Donatiello, 127ED, 1140mm, f/9, refractor, 200 ISO, 1/400s

Public Domain
3930x2628px
$Crescent Region, RGB, astrophotography, ZWO 294mm camera, LRGB filters, William Optics 61mm Refractor, Losmandy G811 Mount, nebula, stars, space, galaxy$
Crescent Region, RGB, astrophotography, ZWO 294mm camera, LRGB filters, William Optics 61mm Refractor, Losmandy G811 Mount, nebula, stars, space, galaxy

Public Domain
2258x2306px
$M81, M82, RGB, IR Cut, William Optics, 61mm Refractor, ZWO 533MC Pro, Astrophotography, Galaxies, Star Field, Ha$
M81, M82, RGB, IR Cut, William Optics, 61mm Refractor, ZWO 533MC Pro, Astrophotography, Galaxies, Star Field, Ha

Public Domain
3456x3456px
$Partial Lunar Eclipse, October 28-29 2023, Giuseppe Donatiello, Giovanni Vincenzo Donatiello, maximum phase, refractor, telephoto, Canon EOS 4000D, 127ED f/9, high quality shots, meridian transit$
Partial Lunar Eclipse, October 28-29 2023, Giuseppe Donatiello, Giovanni Vincenzo Donatiello, maximum phase, refractor, telephoto, Canon EOS 4000D, 127ED f/9, high quality shots, meridian transit

Public Domain
3000x3000px
$transit, Venus, solar, disk, central, phase, 2004, Giuseppe, Donatiello, refractor, haze$
transit, Venus, solar, disk, central, phase, 2004, Giuseppe, Donatiello, refractor, haze

Public Domain
3988x2642px
$Crescent Nebula, HOO palette, Ha data, O3 data, ES 127mm Refractor, Losmandy G811G, ZWO ASI 294mm camera, PixInsight Processing, 3nm Ha Filter, 3nm O3 Filter$
Crescent Nebula, HOO palette, Ha data, O3 data, ES 127mm Refractor, Losmandy G811G, ZWO ASI 294mm camera, PixInsight Processing, 3nm Ha Filter, 3nm O3 Filter

Public Domain
2693x2694px
$Moon, waxing gibbous, 6 panel mosaic, WO FLT132 refractor, Grasshopper 3 camera, astrophotography, lunar surface, craters, night sky, celestial body, detailed view$
Moon, waxing gibbous, 6 panel mosaic, WO FLT132 refractor, Grasshopper 3 camera, astrophotography, lunar surface, craters, night sky, celestial body, detailed view

Public Domain
4000x3000px
$telescope, outlook, by looking, vision, ausschau, good view, magnification, refracting telescope, refractor, optical instrument, optics$
telescope, outlook, by looking, vision, ausschau, good view, magnification, refracting telescope, refractor, optical instrument, optics

Public Domain
6000x3600px
$partial solar eclipse, October 25, 2022, Oria, Italy, Giuseppe Donatiello, achromatic refractor, EOS 4000D, full coverage, eclipse$
partial solar eclipse, October 25, 2022, Oria, Italy, Giuseppe Donatiello, achromatic refractor, EOS 4000D, full coverage, eclipse

Public Domain
2609x2615px
$moon, waning gibbous, 102mm, WO 102mm, 2014, 60Da, composite, Williams Optics, APO Refractor, lunar surface$
moon, waning gibbous, 102mm, WO 102mm, 2014, 60Da, composite, Williams Optics, APO Refractor, lunar surface

Public Domain
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$M31, Andromeda, Galaxy, Astrophotography, Space, Universe, Refractor, APO, Canon 6D, Color$
M31, Andromeda, Galaxy, Astrophotography, Space, Universe, Refractor, APO, Canon 6D, Color

Public Domain
2674x2674px
$moon, night, sky, space, November 9, 2022, Giuseppe Donatiello, 127ED f/9 refractor, EOS 4000D, stacked images, luna$
moon, night, sky, space, November 9, 2022, Giuseppe Donatiello, 127ED f/9 refractor, EOS 4000D, stacked images, luna

Public Domain
2000x1391px
$scopedome, Knight Observatory, telescope, Esprit 100 triplet APO refractor, GM2000 HPS II mount, AAG Cloudwatcher, observatory, dome, astronomy, outdoor, equipment$
scopedome, Knight Observatory, telescope, Esprit 100 triplet APO refractor, GM2000 HPS II mount, AAG Cloudwatcher, observatory, dome, astronomy, outdoor, equipment

Public Domain
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$Sun, sunspots, astrophotography, Z80 refractor, Lunt B1800, CaK module, Chameleon 3 camera, solar, astronomy, celestial, observation$
Sun, sunspots, astrophotography, Z80 refractor, Lunt B1800, CaK module, Chameleon 3 camera, solar, astronomy, celestial, observation

Public Domain
9724x9616px
$Virgo Cluster, galaxies, constellation Virgo, 6-panel mosaic, Esprit 100 refractor, Canon 6Da, Astro Pixel Processor, Pixinsight, Knight Observatory, Tomar, Sequence Generator Pro$
Virgo Cluster, galaxies, constellation Virgo, 6-panel mosaic, Esprit 100 refractor, Canon 6Da, Astro Pixel Processor, Pixinsight, Knight Observatory, Tomar, Sequence Generator Pro

Public Domain
3582x3384px
$Cygnus, H-alpha, mosaic, astropixelprocessor, QHY16200, Esprit 100, f5.5, refractor, Knight Observatory, Tomar, 15 minute exposure$
Cygnus, H-alpha, mosaic, astropixelprocessor, QHY16200, Esprit 100, f5.5, refractor, Knight Observatory, Tomar, 15 minute exposure

Public Domain
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$solar eclipse, partial solar eclipse, annular eclipse, October 3 2005, Giuseppe Donatiello, Oria Brindisi, clouds, 120 1000mm refractor, film scan, resolution limitations, seeing limitations$
solar eclipse, partial solar eclipse, annular eclipse, October 3 2005, Giuseppe Donatiello, Oria Brindisi, clouds, 120 1000mm refractor, film scan, resolution limitations, seeing limitations

Public Domain
2469x2469px
$Antares, α Scorpii A, α Scorpii B, double star, red supergiant, binary star system, Giuseppe Donatiello, Rho Ophiuchi cloud, 127ED refractor, DSLR video mode, July 2024$
Antares, α Scorpii A, α Scorpii B, double star, red supergiant, binary star system, Giuseppe Donatiello, Rho Ophiuchi cloud, 127ED refractor, DSLR video mode, July 2024

Public Domain
1519x1519px
$Sun, International Space Station, transit, astrophotography, Calcium K filter, lower chromosphere, 80mm Z80 refractor, Pt Grey Chameleon 3 camera, sunspots, space, astronomy$
Sun, International Space Station, transit, astrophotography, Calcium K filter, lower chromosphere, 80mm Z80 refractor, Pt Grey Chameleon 3 camera, sunspots, space, astronomy

Public Domain
1516x1516px
$sun, sunspots, astrophotography, solar flare, active region, CaK, Z80 refractor, Lunt B1800, Chameleon 3 camera, CME, purple sun$
sun, sunspots, astrophotography, solar flare, active region, CaK, Z80 refractor, Lunt B1800, Chameleon 3 camera, CME, purple sun

Public Domain
2806x2036px
$NGC 2403, Spiral Galaxy, Ha light, nebula, star forming regions, refractor, first light, integration time, Signal to Noise, astronomy, celestial$
NGC 2403, Spiral Galaxy, Ha light, nebula, star forming regions, refractor, first light, integration time, Signal to Noise, astronomy, celestial

Public Domain
3008x3008px
$Great Orion Nebula, Bortle 4 skies, William Optics, 61mm Refractor, ASI 533MC Pro, ASI Plus, astrophotography, night sky, stars, nebula, space$
Great Orion Nebula, Bortle 4 skies, William Optics, 61mm Refractor, ASI 533MC Pro, ASI Plus, astrophotography, night sky, stars, nebula, space

Public Domain
2702x4043px
$Andromeda Galaxy, M31, core, 1 trillion stars, Milky Way, M32, M110, ZWO 294mm camera, William Optics 61mm Refractor, Losmandy G811 Mount, LRGB filters$
Andromeda Galaxy, M31, core, 1 trillion stars, Milky Way, M32, M110, ZWO 294mm camera, William Optics 61mm Refractor, Losmandy G811 Mount, LRGB filters

Public Domain
2100x1514px
$Pleiades, M45, Messier, clusters, astrophotography, 80mm, Orion, APO, refractor, 60Da$
Pleiades, M45, Messier, clusters, astrophotography, 80mm, Orion, APO, refractor, 60Da

Public Domain
4288x2859px
$Moon, October 30, 2013, night, sky, Luna, tree branches, full moon, orange moon, Giuseppe Donatiello, 60mm refractor$
Moon, October 30, 2013, night, sky, Luna, tree branches, full moon, orange moon, Giuseppe Donatiello, 60mm refractor

Public Domain
3456x3456px
$Daytime occultation, Venus, November 9, 2023, Oria, 10:20, Giuseppe Donatiello, 127ED f/9 refractor, Canon EOS 4000D, UT Time, Solar System$
Daytime occultation, Venus, November 9, 2023, Oria, 10:20, Giuseppe Donatiello, 127ED f/9 refractor, Canon EOS 4000D, UT Time, Solar System

Public Domain
3538x1694px
$Cocoon Nebula, IC5146, Barnard 168, Cygnus, astro, astropixelprocessor, qhy16200, Knight Observatory, Tomar, dark tail, Esprit 100 refractor$
Cocoon Nebula, IC5146, Barnard 168, Cygnus, astro, astropixelprocessor, qhy16200, Knight Observatory, Tomar, dark tail, Esprit 100 refractor

Public Domain
5184x3456px
$Orion Nebula, M42, Messier, astrophotography, Williams Optics, 102mm refractor, nebula, Orion, 60Da, stars, space$
Orion Nebula, M42, Messier, astrophotography, Williams Optics, 102mm refractor, nebula, Orion, 60Da, stars, space

Public Domain
3456x5184px
$Daytime occultation, Venus, November 9, 2023, Oria, 10:05 UTC, Giuseppe Donatiello, 127ED f/9 refractor, Canon EOS 4000D, Solar System$
Daytime occultation, Venus, November 9, 2023, Oria, 10:05 UTC, Giuseppe Donatiello, 127ED f/9 refractor, Canon EOS 4000D, Solar System

Public Domain
2835x2950px
$Butterfly Nebula, 3 minute exposures, ZWO 533MC Pro, OSC Camera, iOptron GEM28 Mount, William Optics, 61ii Refractor, Pixinsight, astrophotography, space, stars$
Butterfly Nebula, 3 minute exposures, ZWO 533MC Pro, OSC Camera, iOptron GEM28 Mount, William Optics, 61ii Refractor, Pixinsight, astrophotography, space, stars

Public Domain
3000x3000px
$eclipse, sun, October 25, 2022, solar eclipse, partial eclipse, moon, lunar, mountains, irregularities, achromatic refractor$
eclipse, sun, October 25, 2022, solar eclipse, partial eclipse, moon, lunar, mountains, irregularities, achromatic refractor

Public Domain
3958x2648px
$Ghosts of Cassiopeia, SHO palette, RGB stars, Hubble Narrowband, Ha Sii Oiii, ES 127mm Refractor, ASI 294mm Pro, Losmandy G811G mount, NINA capture, PixInsight processing, space nebula$
Ghosts of Cassiopeia, SHO palette, RGB stars, Hubble Narrowband, Ha Sii Oiii, ES 127mm Refractor, ASI 294mm Pro, Losmandy G811G mount, NINA capture, PixInsight processing, space nebula

Public Domain

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