William Herschel discovered NGC 4248 = H II-742 = h1169 on 9 Mar 1788 (sweep 816) and recorded "F, S, E." CH's reduction is 17 sec of RA following UGC 7335. JH made two observations and called it "vF; pmE; psbM."
300/350mm - 13.1" (3/17/86): faint, very elongated 3:1 WNW-ESE, moderately large, 1.5'x0.5'. A mag 14.5 is at the NW edge. Located 10' W of NGC 4231 and NGC 4232 and 13' NW of M106. Member of the CVn II Group (brightest member M106).
Notes by Steve Gottlieb