| Page | 133, line 27, for “200 stars” read “200 stars per hour.” | | " | 145, See note on page 220. | | " | 146, bottom of page. This nebulosity was first discovered by
Dr. Max Wolf of Heidelberg. See Astr. Nachr. 3736. | | " | 181, line 17, for “observation” read “aberration.” |
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