Messier 46 (original) (raw)

NGC 2437 = GC 1564 = h 463; M 46.
RA 7h 35m 24s, NPD 104d 29.8' (1860.0) [Right Ascension and North Polar Distance]
!, Cl, vB, vRi, vL, inv PN ; = M46
Remarkable, cluster, very bright, very rich, very large, involving a planetary nebula [NGC 2438].

NGC 2438:
NGC 2438 = GC 1565 = h 464 = h 3093 = H IV.39.
RA 7h 35m 26s, NPD 104d 25.0' (1860.0)
PN, pB, pS, vlE, r, 3s.75 d
Planetary Nebula, pretty bright, pretty small, very little extended [elongated], round, 3s.75 diameter.
Remark: Figures in P.T. 50 [Rosse 1850], plate XXXVIII, fig. 12; Lass [Lassell, Memoirs R.A.S. vol xxiii], plate II, fig. 5; Secchi [Memorie dell' Osserv. del Collegio Romano, 1852-55], plate IV, fig. 11.