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RA: 18h 17m 39.6s
Dec: −19° 40′ 19″
Ch: MSA:1368, U2:339, SA:22
Ref: SIMBAD, NED
Type: bright nebula
Mag: B=7.7, V=?
Barnard, E. E. (1892) "A New nebulous star, and corrections to the NGC", A.N. 3101.Announced in AN 3101.
Barnard, E. E. (1892) "Photographic nebulosities and groups of nebulous stars", A.N. 3111.
Mentions this nebulous star.
See remarks on NGC 6595.
Ced 157d (IC 1284)
Position (1900): RA 18 11.7, Dec - 19 42
Star: -19 4953 (Mp=7.56, V=7.49, SpT=B5)
Spectrum of nebula: continuous spectrum (inferred from sp.t. of illuminating star)
Classification: Nebulous cluster (milky neb cover the clusters, eg NGC 1976)
Notes: "157 d = IC 1284 = The nebula around -19 4953 = HD 167815 = Boss 24954. Disc. Barnard 1892 (49). FA 86. WP 93. (51, 82, 85, 88 Pl 55, 93 Pl 29 Pl 31 Pl 32, 339, 366, 482, 486, 630 Pl 7, 715). Taken as a whole No 157 should be classified as A. 2."
Photo Index by Jim Lucyk: Deep Sky #11 Su85 p21, Vehrenberg's Atlas of Galactic Neb-2 p38.
The Messier objects
The Bennett objects
The Caldwell list
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