Details of exhibit
- Exhibition:
- 1911 Fifty-sixth Annual Exhibition of the Royal Photographic Society of Great Britain
- Exhibit title:
- Photographs of the spectrum of Halley's Comet
- Exhibitor:
- Lowell Observatory
- Section:
- Stereographs and Transparencies in Sections II., III. and V.
- Group Title:
- Astronomical Photographs - Comet Photographs
- Exhibit No.:
- 956
- Description:
- Made with slit spectrograph attached to 24-inch refractor-
(a) Plate exposed, May 6.
(b) Plate exposed, Mar 23
Showing change in the comet's spectrum, the emissions becoming faint, the bright D line disappearing. - Exhibit type:
- Photograph
- Process:
- [Not Listed] ()
- Award:
- none
- Source(s):
- Photograph by V. M. Slipher
