Circular image on a black background. Written at edge (on original print): "ADH 814". Written on back: "Orion Neb.". n/a. Extent: 1 photograph. Size and dimensions of original material: Height 26cm, width 20cm. Condition of original material: Slight damage (dirty, creased, dog-eared). Autho...
Lagoon (Messier 8) and Trifid (Messier 20) Nebulae.
Scope & Content:
Circular image on a black background. Written at edge (on original print): "ADH 534". Written on back: "M 20 & M 8 / PLATE 2 / [arrow]TOP". PB12_0057 and PB11_0031 are derivatives. n/a. Extent: 1 photograph. Size and dimensions of original material: Height 26cm, width 20cm. Condition of ...
Typed note pasted to photo: "10x enlargement of a portion of ADH 608, a red-sensitive (103a-E) plate of 60-minute exposure though a Wratten 25A filter. Taken by W.D. Victor with the Armagh-Dunsink-Harvard 32-36-inch Baker-Schmidt telescope at Harvard Observatory's Boyden Station, Bloemfontein, S...
Typed note pasted to photo: "A 6-fold enlargement from a portion of ADH 479; a 60-minute exposure on red-sensitive emulsion (103a-E) with Wratten 25A filter; taken by Michiel J. Bester, June 4-5, 1951, with the Armagh-Dunsink-Harvard 32-36-inch Baker-Schmidt telescope at the Boyden Station of Ha...
Typed note pasted to photo: " x enlargement of a section of ADH 460 in Carina near Selected Area 193. A 60-minute exposure on red-sensitive emulsion (103a-E) with red filter (Wratten 25A) taken May 28-29, 1951, by W.D. Victor with the Armagh-Dunsink-Harvard 32-36-inch Baker-Schmidt telescope at ...
Typed note pasted to photo: "A 3-fold enlargement of ADH 550, a blue-sensitive (103a-0) plate taken by W.D. Victor on a region near 17h 53m, -32.5°, of the Milky Way near the border of Sagittarius and Scorpio, which shows a section that is very much affected by an irregular overlying network of ...
Typed note pasted to photo: "A 3.5-fold enlargement of the central portion of ADH 422 of the Great Globular Cluster Omega Centauri. The photograph was made with a red-sensitive (103a-E) emulsion with accompanying red filter (Wratten 25A), exposure time 60 minutes, centered at 13h 24m, -47.0°; ob...