Search: Herschel, John in correspondent 
Lassell, William in correspondent 
1860-1869::1862::05 in date 
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From:
Sir John Herschel
To:
William Lassell
Date:
[4 May 1862]
Source of text:
RS:HS 23.373
Summary:

As JH is preparing a catalogue of all known nebulae, would WL please provide a complete listing of all he has seen.

Contributor:
John Herschel Project
From:
William Lassell
To:
Sir John Herschel
Date:
[23 May 1862]
Source of text:
RAS:JH Archive 12/1.7.2; Reel 10
Summary:

Recently observed nebulae. Changes in island climate reduce observation time. Happy that JH plans to publish all nebulae in one catalogue. Has no new ones to offer. Observations of Saturn's rings. WL's telescope.

Contributor:
John Herschel Project