John Herschel discovered NGC 7764 = h4006 on 4 Oct 1836 and noted "B; R; gbM; 90"."
300/350mm - 13.1" (9/3/86): fairly faint, moderately large, elongated 2:1 NW-SE, brighter core. Located 11' NW of mag 6.7 SAO 231814.
Notes by Steve Gottlieb
John Herschel discovered NGC 7764 = h4006 on 4 Oct 1836 and noted "B; R; gbM; 90"."
300/350mm - 13.1" (9/3/86): fairly faint, moderately large, elongated 2:1 NW-SE, brighter core. Located 11' NW of mag 6.7 SAO 231814.
Notes by Steve Gottlieb