Jun 17, 2020 Waikoloa, HI (map)
28cm f/10 SCT, NexStar 11" GyPSy @ 127x
Bright, large, round, brighter to the center without an obvious core, NGC4478 visible 9' southwest
Apr 18, 1999 Organ Pipe National Monument, AZ (map)
20cm f/10 SCT
Round, obviously brighter than M84 or M86, obvious core, stopped back by on 18 Apr 99 00:52 to complete the drawing and add NGC4476 and NGC4478 that had disappeared in the haze
Mar 18, 1781
Nebula without star, in Virgo, below & very near a star of eighth magnitude, the star having the same Right Ascension as the nebula, & its Declination was 13d 42' 21"" north. This nebula appears at the same luminosity as the two nebulæ Nos. 84 and 86 [M84 and M86]."
― Connaissance des Temps, 1781
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