| RefNo | HS/19/255 |
| Level | Item |
| Title | Illustration of position of variable star, by Norman Pogson |
| Creator | Pogson; Norman Robert (1829-1891); astronomer; Madras Observatory astronomer. |
| Date | 1860 |
| Description | Ink and pencil drawing of location of 1 Var. Cassiopeiae. Position defined within a grided view, telescope observations given as range 6 to 12 magnitude for a period of 436 days.
Magnitude notation defined by symbols at the bottom of the page. Drawing, likely prepared for engraving - could be the plate noted in previous item as in the hands of engraver Basire.
Likely enclosure from HS/14/1.
At the back, handwritten list of plants, likely in Sir John Herschel's hand. |
| Language | English |
| Extent | 1 p. |
| Format | Drawing |
| PhysicalDescription | Ink on paper |
| Place origin | n.p. |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
| RelatedRecord | HS/14/1 |
| HS/19/254 |
Fellows associated with this archive
| Code | PersonName | Dates |
| NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); mathematician and astronomer | 1792 - 1871 |