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RA: 05h 33m 19.6s
Dec: −00° 36′ 37″
Ch: MSA:254, U2:225, SA:11
Ref: [2003A&A...399..141M], Skiff20080430-s
Type: reflection nebula
Mag: B=?, V=?
Detection of new nebulae by photography. Annals Harv Coll Obs., 18, 113. Bibcode: [1890AnHar..18..113P]
Photographs taken with the Bache telescope, a photographic 8-inch f/5.5 doublet, covering 10 degrees square, were examined by Mrs M Fleming with a magnifying glass.
Table 1: List of nebulae (p115)
No. 7 "Irregular oval ring having diameters 3' by 5'. The position angle of the larger axis is about 165°."
Ced 52 (IC 423)
Position (1900): RA 5 28.3, Dec - 0 41
Spectrum of nebula: (not classified)
Classification: Nebulae without definite relation to certain stars - Detached nebula with discernible structure (eg. NGC 6992)
Notes: "IC 423. Disc. Pickering 1890 (557). WP 166. (216, 630 Pl 33 Pl 34). R. This peculiur annular object may be a planetary. No central star is visible. Apparently it is well within reach of the belt stars, but it stands out definitely against the general nebulous background."
Lynds, B.T. (1962) Catalogue of dark nebulae. Astrophys.J.Suppl.Ser. 7, 1-52. [also: computer datafile: VII/7A]
= IC 423, Ced 52
Pos (1950.0) 05:30.9, −0:38
Size: 6x3 (blue), 6x2 (red).
= DG 58, [RK68] 29, IC423, GN 05.30.8, Ced 52
Class: C (reflection neb)
by Jim Lucyk: Vehrenberg's Atlas of Galactic Neb-1 p65.
Coe, using a 13" f/5.6, notes: "Faint, pretty large, elongated 1.5 X 1 in PA 0 at 100X. It is not much on a 6/10 night, just a field brightening."
The Messier objects
The Bennett objects
The Caldwell list
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