From:
Norman Pogson
To:
Sir John Herschel
Date:
[15 April 1861]
Source of text:
RS:HS 14.12
Summary:
Replies to JH's inquiries about Messier 80, noting that a bright star, since vanished, obliterated the cluster. Describes poor but improving instrumentation at the Madras Observatory. Asks about JH's son Alexander.
Contributor:
John Herschel Project