Heinrich d'Arrest discovered NGC 489 on 22 Dec 1862 with the 11-inch refractor at Copenhagen. His position (measured on 3 nights) and description (he also noted the double star that precedes by 22 seconds) matches PGC 4957.
400/500mm - 17.5" (10/17/87): moderately bright, fairly small, edge-on WNW-ESE, bright core. Member of the NGC 524 group with NGC 502 18' SE.
Notes by Steve Gottlieb