Andrew Cooper
Jan 18, 2004    Sentinel, AZ (map)
46cm f/4.5 Deep Violet

Good sized, no obvious core, just a general brightening at the center, no other detail to note, the field is notably empty

Rev. T.W. Webb
May 19, 1885    Hardwick, Herefordshire, England (map)

H. I 21, 1m p, 70' n, [of NGC3817] a large bright nebula.

― Celestial Objects for Common Telescopes, T. W. Webb, 1917

Drawings, descriptions, and CCD photos are copyright Andrew Cooper unless otherwise noted, no usage without permission.

A complete list of credits and sources can be found on the about page