From:
Sir John Herschel
To:
Heinrich Louis d'Arrest
Date:
[17 October 1862]
Source of text:
TxU:H/L-0135; Reel 1054
Summary:
Nebulous nature of some stars. Recent reports on variability of some nebulae.
Contributor:
John Herschel Project
Showing 1–2 of 2 items
Nebulous nature of some stars. Recent reports on variability of some nebulae.
Reduction of JH's catalog of nebulae will not be completed before Christmas. HA's success in discovering nebulae and novae. Has compared positions of all nebulae observed by both JH and William Herschel; very few show evidence of shift. Thanks for offering HA's observations, but space in catalog is too limited.