Details of exhibit
- Exhibition:
- 1911 Fifty-sixth Annual Exhibition of the Royal Photographic Society of Great Britain
- Exhibit title:
- Comet ? 1910
- Exhibitor:
- Lowell Observatory
- Section:
- Stereographs and Transparencies in Sections II., III. and V.
- Group Title:
- Astronomical Photographs - Comet Photographs
- Exhibit No.:
- 947 to 951
- Description:
- Approximate length of tail given for (1), (2) and (3) along external, convex, side. The dark spaces and streaks across the tail, a short distance outward from the head, on some of these photographs are due to the corner being partially obscured, during some of the exposure, by trees near the dome. Plate (2) comet's tail photographed after comet's head was below the horizon. Trees near the dome cut off inner part of the tail. In (5) note projection sunward and fine streamers outside of main tail.
- Sub-exhibits:
- 947 (1) Jan. 26th C.O. Lampland 6h. 58m. - 7h. 8m. M.M.T. Length of tail about 23° (G.M.T. = M.M.T. + 7h. 0m.)
948 (2) Jan. 27th C.O. Lampland 7h. 16m. - 7h. 30m. Length of tail about 29° ½
949 (3) Jan. 28th C.O. Lampland 6h. 53m. - 7h. 30m. Length of tail about 29° ½
950 (4) Jan. 30th C.O. Lampland 7h. 1m. - 7h. 23m. All with 7¾-inch focus Voigtlaender Collinear f/5'4
951 (5) Jan. 28th C.O. Lampland 7h. 1m. - 7h. 16m. With Brashear doublet 35-inch focus f/7
- Exhibit type:
- Photograph
- Process:
- [Not Listed] ()
- Award:
- none
- Source(s):
- Photograph by C.O. Lampland
