IC 598 NGC 5455
Uma
☀13.0mag
Ø 60'' / 48''

Lewis Swift discovered IC 522 = Sw. IX-19 on 8 May 1890 and reported "pF; pS; R; BM; pB * np; ?eeF D* involved." His position is accurate and the "pretty bright star north-preceding" is mag 8.3 HD 75697, though there are no stars involved in the glow of the galaxy.

600/800mm - 24" (3/21/20): at 260x and 375x; moderately bright, fairly small, slightly elongated 5:4 NNW-SSE, ~40"x32", strong concentration with a relatively bright, round core and a diffuse outer halo. At 375x the core increases to a very small bright nucleus. Mag 8.3 HD 85697 lies 8' NNW.

Notes by Steve Gottlieb