| RefNo | MS/344/4 |
| Previous numbers | MS/346 |
| Level | File |
| Title | Index of class numbers of nebulae by observed by William Herschel, compiled by John Frederick William Herschel |
| Creator | Herschel, Sir William (1738-1822) Astronomer and musician |
| Date | 1863 |
| Description | Listing of 2,500 nebulae and other astronomical objects observed by William Herschel, organised to relate classification numbers to general catalogue numbers as they were published in three catalogues within the Royal Society's Philosophical Transactions between 1786 and 1802. Five columns of data per page .
Inscribed on the front cover: 'General Index of the 2500 Nebulae of Sir W. Herschel shewing the "General Number" or Number in the Series of Register Sheets corresponding to the Classes and Numbers under which they occur in the Philosophical Transaction'. Endorsed 'Received October 16 1863. Drawn up by Sir John Herschel'.
This document is referred to in Sir John Herschel's explanation of Herschel family manuscripts on nebulae. See pp.6-7 of 'Catalogue of nebulae and clusters of stars', by John Frederick William Herschel, Philosophical Transactions of the Royal Society, v.154 (1864) pp.1-137. 'In presenting to the Royal Society this Catalogue, it will be accompanied by the following series of records and documents...3rd. A general index of the 2508 nebulae in classes and numbers, to find the "general number" of each, to facilitate reference to the register sheets. (This index was drawn up my myself).' |
| Extent | 22p. |
| Format | Manuscript |
| PhysicalDescription | On paper, blue paper cover. |
| Dimensions | 338x219mm. |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
| RelatedMaterial | DOI: 10.1098/rstl.1864.0001 |
| RelatedRecord | MS/272 |
| MS/279 |
| MS/339 |
| MS/348 |