Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  NGC 654  ·  NGC 663  ·  VdB6
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vdB 6, NGC 654 (oc), NGC 663 (oc), LDN 1343-4; Cassiopeia, Thomas V. Davis
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vdB 6, NGC 654 (oc), NGC 663 (oc), LDN 1343-4; Cassiopeia

Getting plate-solving status, please wait...
vdB 6, NGC 654 (oc), NGC 663 (oc), LDN 1343-4; Cassiopeia, Thomas V. Davis
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vdB 6, NGC 654 (oc), NGC 663 (oc), LDN 1343-4; Cassiopeia

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Description

vdB 6, NGC 654 (oc), NGC 663 (oc), LDN 1343-4; Cassiopeia

Astro Systeme Austria N12 f/3.5 astrograph (Lum)

Tele Vue 127is f/5.2 refractor (color)

KAI-11000M/CM M (Lum), CM (color)

Total Exposure TIme: 10+ Hours, LSC 300:310 minutes, unbinned

August 2009; Inkom, ID

Comments: vdB 6 is the very small reflection nebula in the lower left of the open cluster NGC 654. The image has a light hazy background due to the fact that these hazy patches are actually dark nebulae catalog by Beverly Lynd. They have been penetrated in this image, all except the most dense portions. These dark nebulae appear to part of a larger molecular cloud cataloged in [YDM97] (Yonekura, Dobashi, Mizuno, et al. Molecular clouds in Cepheus and Cassiopeia. Astrophys. J. Suppl. Ser. 1997).

vdB6: Size (arcmin): 1.8

Type: illuminating star inside nebula

Surface brightness: faint

Color: moderately blue

Absorption: weak

Illuminating star ID1: BD+61 315

Mag. of illuminating star: 9.58

Spectral type of star: B8Ib

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vdB 6, NGC 654 (oc), NGC 663 (oc), LDN 1343-4; Cassiopeia, Thomas V. Davis