One of nineteen photographs from the Royal Observatory, Cape of Good Hope, South Africa, showing a view of the emission nebula, Eta Carina. A 4 hour exposure taken with the Astrographic Telescope by Howard Grubb made for the 'Carte du Ciel' photographic sky survey. Photograph of the emission nebula, Eta Carina (4 hour exposure) Astronomy 1909
One of two identical photographs of a star cluster by Dr. A.A. Common taken using dry plates with a 36-inch reflecting telescope with silver-on-glass mirror from his home in Ealing, West London. Photograph of a star cluster Astronomy 1885
Glass positive:- Dark Nebula in Sagittarius, Barnard 92, R.A., 18h 11m, decl,-18 degrees 15', Mount Wilson Observatory, 1922, June 24, 100-inch Reflector, focal length, 42ft, exposure, 4 hours see 1912-456, 17" x 14" Glass positive:- Dark Nebula in Sagittarius Astronomy 1922
Positive transparency on film, size 10" x 12", "North America" Nebula in Cygnus taken in red light, 48" Schmidt Telescope Mt. Palomar Positive transparency on film Astronomy 1966
Positive transparency on film, size 10" x 12", Veil Nebula in Cygnus NGC 6992 Galactic, 48", Schmidt Telescope Mt. Palomar, in colour Positive transparency on film Astronomy 1966
Positive transparency on film, size 10" x 12", Nebula in Scutum Sobieski (M16) taken in red light, 200" Hale Telescope, Mt. Palomar Positive transparency on film Astronomy 1966
Trifid Nebula in Sagittarius, Lick Observatory, 1899, July 6, R.A., 17h 54m Decl, - 23 degree 2', Crossley reflector, aperture, 36" in, focal length, 17ft, 6in, exposure, 3 hours, enlarged 4.1 diam. Trifid Nebula in Sagittarius Astronomy 1899; 1912
Photograph film positive, 16" x 20" central part of the Great Nebula in Orion, photographed with the 100-inch Hooker Telescope of the Mount Wilson Observatory 1920, March 18, exposure 1 3/4 hours Photograph film positive Astronomy 1920
Transparency, 40"x51 1/2", of Crab Nebula in Taurus (M.1. N.G.C. 1952) photographed in red light by the 200-inch Hale telescope Transparency, 40"x51 1/2" Astronomy 1963
Positive transparency on film, size 10" x 12", Trifid Nebula in Sagittarius (M20) taken in red light, 200" Hale Telescope, Mt. Palomar Positive transparency on film Astronomy 1966
Glass positive:- Milky way (region of 0 Ophiuchi), Dark Nebula, Barnard 72, R.A., 17h 19m, decl, -23 degrees 39' Mount Wilson Observatory 1921, July 4, 100-inch Reflector, focal length, 42ft, exposure, 2 3/4 hours, 17" x 14" Glass positive:- Milky way (region of 0 Ophiuchi) Astronomy 1921
Positive on glass, enlarged at the National Observatory in Paris, of: New Nebula Isaac Roberts monocerotis (R.A.7h 0m, Dec S.10 degree 20') enlarged 3.4 times, scale 1mm to 24 seconds of arc, taken at Crowborough, Sussex, March 9th 1899, between sidereal time 7h1m and 9h 48m, with an exposure of 2h H7m. Positive on glass Astronomy 1899
Positive transparency on film, size 10" x 12", Great Nebula in Orion (M42) Galactic, 200" Hale Telescope Mt. Palomar, in colour Positive transparency on film Astronomy 1966
Positive transparency on film, size 10" x 12", Lagoon Nebula in Sagitarius (M8) galactic, 200" Hale Telescope Mt. Palomar, in colour Positive transparency on film Astronomy 1966
Glass positive:- "Horses head" dark Nebula in Orion, dark nebulosity south of Zeta (G) Orionis, by John C. Duncan, Mount Wilson Observatory, 1920, November 13, 100-inch reflector, focal length, 42ft, exposure, 3 hours, 14" x 17" Glass positive:- "Horses head" dark Nebula in Orion Astronomy 1920
Photograph of the Great Orion Nebula (M42), taken by Isaac Roberts using a twin telescope (20-inch reflector & 7-inch refractor) by Howard Grubb of Dublin. Taken with an exposure of 205 minutes on 4th February 1889 at his observatory & home at Maghull, near Liverpool. Photograph of the Great Orion Nebula (M42) Astronomy 1899
