From:
Sir John Herschel
To:
the R.A.S.
Date:
[19 May 1870]
Source of text:
R.A.S.M.N., 31 (1871), 228-30
Summary:
Expresses skepticism on the claims made by F. Abbott, observing from Tasmania, of the detection of changes in the Eta Argus nebula. Compares Abbott's drawings with drawings made by JH and and by JH's son John.
Contributor:
John Herschel Project