William Herschel discovered NGC 7458 = H II-590 = h2200 on 18 Sep 1786 (sweep 589) and noted "F, S, bM." JH made two observations, measured an accurate position, and noted on sweep 295, "vF; vS; psbM."

300/350mm - 13.1" (11/29/86): fairly faint, small, round, small bright core. An equilateral triangle with sides 2' formed by mag 8.8 SAO 127905 and two mag 11 stars lies about 6' N. NGC 7460 is 31' NNE.

Notes by Steve Gottlieb