John Herschel discovered NGC 7145 = h3895 on 2 Oct 1834 and recorded "B; R; pgbM; 20" within a triangle of 3 st 13m." His single position is accurate. Observing with the 48" Melbourne Telescope on 6 Sep 1877, Joseph Turner noted it was brighter in the middle to a stellar nucleus.
200/250mm - 11" (8/8/04 - Haleakala Crater): moderately bright and large, round, 1.2' diameter, small bright core. Bracketed by mag 13 stars just 0.8' SE and 1.3' NW of center. A mag 11 star lies 2.4' SSE. Forms a wide pair (same field) with NGC 7144 23' SSW. Located 17' ESE mag 8.5 HD 207615.
Notes by Steve Gottlieb