| RefNo | MS/312/2 |
| Previous numbers | MS/313 |
| Level | File |
| Title | Volume II, sunspot observations made at Kew Observatory, by Warren de la Rue |
| Creator | Rue; Warren de la (1815 - 1889); chemist and astronomer |
| Date | 11 June 1864-December 1864 |
| Description | Tables of Warren de la Rue's astronomical observations recording sunspot activity between June and December 1864, accompanied by albumen prints. Data recorded is the scale reading of the slide, scale reading centre, ratio of a/r, position, distance from the centre, corrected radius and corrected ratio.
Part of the Kew Observatory project to capture daily images of the sun and track sun-spots over time, using the photoheliograph built for this purpose by Warren de la Rue. This pursuit was first suggested by Sir Jon Herschel and executed by Warren de la Rue from February 1862 to late January 1871.
Notes include comments on the quality of individual photographs. |
| Language | English |
| Extent | 1 volume: pp. 1-182 |
| PhysicalDescription | Ink on paper. Contains photographic prints. Black cloth binding. |
| Dimensions | ???x???mm. |
| AccessStatus | Open |
| RelatedRecord | MC/7/113 |
Fellows associated with this archive
| Code | PersonName | Dates |
| NA3837 | Rue; Warren de la (1815 - 1889); chemist and astronomer | 1815 - 1889 |