IC 1724 NGC 7645
Scl
☀12.9mag
Ø 90'' / 66''

ESO 413-016, situated 14' NNW, appeared fairly faint, very elongated 3:1 NNW-SSE, 50"x15", even surface brightness. A mag 15 star is 1' E.

Lewis Swift discovered = Sw. XI-23 on 30 Oct 1897 and reported "eeF; extremely small; R; B * in margin of field p]receding]." The bright star is mag 7.4 HD 10209.

600/800mm - 24" (11/7/18): at 260x; moderately bright, slightly elongated, 45"x35" NNW-SSE, broad concentration with a slightly brighter core region, no nucleus. Two mag 14.5 stars are less than 2' S. Located 15.7' NE of mag 7.4 HD 10209.

Notes by Steve Gottlieb