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Transparency:- constellation of Orion

1910

Transparency, 15"x12", Orion Nebula

1931

One of eleven photographs

1883

One of eleven photographs

1883

Series of 11 photographs (some duplicates)

1883

Omega Nebula

1876

Photograph of the emission nebula, Eta Carina (1 hour exposure)

1909

Glass positive:- Trifid Nebula in Sagittarius

1921

Photograph of the emission nebula, Eta Carina (12 hour exposure)

1909

Photograph of the emission nebula, Eta Carina (24 hour exposure)

1909

Orion Nebula

1876

The Great Nebula in Orion

1883

One of eleven photographs

1883

One of eleven photographs

1883

One of eleven photographs

1883

One of eleven photographs

1883

The Great Nebula in Orion

1883

One of eleven photographs

1883

One of eleven photographs

1883

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

1920

Transparencies (7) of the Southern skies, taken in 1902-4 by the late John Franklin Adams Esq., at the Royal Observatory, Cape of Good Hope, the telescope employed was a refractor 10" aperture focal length 45", region around nebula involving Eta Argus

Transparencies (7) of the Southern skies

1902-1904

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

1899; 1912

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)

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

1899

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)

1899

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)

1909

An illustration of the Great Nebula in Orion in glazed frame by the Third Earl of Rosse.

An illustration of the Great Nebula in Orion

1860-1867

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

1966

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

1966

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

1966

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

1922

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

1920

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

1966

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

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

1966

Two bromide print of an original pencil drawing of the Orion Nebula by Sir John F.W. Hershel, as seen in the 20ft reflector at Feldhansen Cape of Good Hope

Two bromide print of an original pencil drawing of the Orion Nebula by Sir John F.W. Hershel

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"

1963