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RA: 16h 19m 7.7218s
Dec: −20° 13′ 5.059″
Ch: MSA:1374, U2:336, SA:22
Ref: [2003A&A...399..141M], SIMBAD
Type: reflection nebula
Mag: B=7.358, V=6.308
Size: 5′ x 5′
Ced 129a (-19 4357)
Position (1900): RA 16 13.2, Dec - 19 59
Star: -19 4357 (Mp=7.6:, V=6.2, SpT=G5)
Spectrum of nebula: continuous spectrum (inferred from sp.t. of illuminating star)
Classification: Neb associated with mainly one star (which may be multiple) - star surrounded by a neb envelope without conspicuous structure (eg. lambda Scorpii)
Notes: "Ced 129 The nebulous stars in the region of IC 4601. R. The designations IC 4601 a and b are according to Hubble (366). No 129 may be connected with No 128, although the latter gives the impression of being situated in the foreground. Ced 129 a = -19 4357 = HD 146834 = Boss 21935. Source: (88) Pl 35. (93 Pl 12, Pl 13, 196, 482, 486, 715). "
= Ced 129a
Pos (1950.0) 16:16.2, −20:07
Size: 5x5 (blue), 5x5 (red).
= DG 133, VdB 101, GN 16.16.2, Ced 129a
Class: C (reflection neb)
Photo index by Jim Lucyk: Vehrenberg's Atlas of Galactic Neb-2 p4 ( = IC 4601 in Uranometria #336), Vehrenberg's Atlas of Galactic Neb-2 p6
The Messier objects
The Bennett objects
The Caldwell list
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