Celestial hemisphere:  Northern  ·  Constellation: Auriga (Aur)  ·  Contains:  B26  ·  B27  ·  B28  ·  VdB31
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vdB31, B26-28; Auriga, Thomas V. Davis
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vdB31, B26-28; Auriga

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vdB31, B26-28; Auriga, Thomas V. Davis
Powered byPixInsight

vdB31, B26-28; Auriga

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Description

vdB 31, B26-28; Auriga

Astro Systeme Austria N12 f/3.5 astrograph

KAI-11000M; SBIG STL

Total Exposure Time: 9.5 hours;  LRGB 330:80:80:80 minutes; unbinned

November 2008; Inkom, ID

Comments: This beautiful blue reflection nebula is number 31 in Sidney van den Bergh's Catalog of Reflection Nebulae, 1966. The adjacent dark nebulae are numbers 26-28 (B27 is just below vdB 31, with B26 below B27 and B28 to the upper right) in Edward E.  Barnard's Catalogue of 349 Dark Objects in the Sky, 1927. The other dust clouds may not be cataloged.

vdB31: Size (arcmin): 9.5 by 7

Type: illuminating star inside nebula

Surface brightness: moderate

Color: blue

Absorption: strong

Illuminating star ID1: BD+30 741

Illuminating star ID2: HD 31293

Mag. of illuminating star: 7.06

Comments

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vdB31, B26-28; Auriga, Thomas V. Davis