Frank Muller discovered NGC 7573 = LM 2-473 in 1886 and recorded "mag 15.8; 0.7' dia; iR; bnp; *10 in PA 290° at 4.4'." There is nothing at his position but 1 min of RA west is ESO 604-008. Muller's star is 5.5' west. Herbert Howe noted the approximate RA correction in his 1900 list of NGC/IC comments.

400/500mm - 17.5" (7/25/95): very faint, fairly small, slightly elongated SW-NE, 50"x40", no concentration, very low surface brightness. Located 4.4' ENE of a mag 11 star.

Notes by Steve Gottlieb