The Internet Archive has a preservation copy of this work in our general collections.
New Planetary Nebulae
Astronomical Notes - Astronomische Nachrichten
There is some doubt about the proper order of the star Uran. Arg. Nr. 28 = L1. 234 in the light scale, which cannot be cleared up until more observations are obtained. This uncertainty cannot affect the following determinations of brightness of the variable more than a small fraction of a step, as comparisons were made with three or four stare on each evening. L i g h t o f t h e V a r i a b l e .doi:10.1002/asna.18831052107 fatcat:2ckgc6hpwrfqtli6mgbma6a67y