Stephane Javelle discovered IC 4307 = J. 3-1267 on 7 May 1904 and reported "F, 25" to 30", elongated E-W, * 11 p 6 secs."
400/500mm - 17.5" (5/11/02): very faint, very small, round, 20" diameter, low surface brightness. A mag 14 star is 1.6' W. Located 15' SW of NGC 5251.
Notes by Steve Gottlieb