Her
☀14.9mag
Ø 60'' / 48''

E.E. Barnard discovered UGC 10416 on 20 May 1890 while searching for d'Arrest's Comet with the 12-inch refractor at Lick Observatory. He noted "pF, R, gbM, 3/4' diam. Some 9.5 mag stars in the field." His simple field sketch (showing 4 brighter stars surrounding the nebula) is a perfect match with UGC 10416, though his rough pointing position is off by 30'. He missed UGC 10414 to the west, which is only very slightly fainter.

600/800mm - 24" (6/12/15): at 225x; faint to fairly faint, fairly small, roundish, 0.5'x0.4'. Situated in the exact center of an isosceles triangle of 3 mag 11 stars 2.8' NNW, 2.9' SSW and 3.2' ESE. UGC 10414 lies 8.3' WNW.

Notes by Steve Gottlieb