John Herschel discovered NGC 1900 = h2819 on 30 Nov 1834 and recorded "eF; pL; lE; vgvlbM". In a second sweep, it appeared "pB; irreg R; gbM; 25". Among many stars, one = 7m, np." His position and description (the mag 7 star is 3.7' NW) is accurate.

600/800mm - 30" (10/15/15 - OzSky): at 394x; fairly bright, moderately large, irregularly round, ~45" diameter, mottled with brighter spots but no definite resolution. A mag 14.5 star is 1' WSW and a few mag 15-15.5 stars are within 1' E. Located 3.7' SE of mag 7.2 HD 35199.

Notes by Steve Gottlieb