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





    
        

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

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

Technical card

Resolution: 3951x2667

Astrometry.net job: 2164799

RA center: 26.174 degrees

DEC center: 61.637 degrees

Pixel scale: 1.724 arcsec/pixel

Orientation: 272.511 degrees

Field radius: 1.142 degrees

Data source: Backyard

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, L:OSC 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

Comments

Author

tvdavisid
Thomas V. Davis
License: None (All rights reserved)
801
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vdB 6, NGC 654 (oc), NGC 663 (oc), LDN 1343-4; Cassiopeia, 





    
        

            Thomas V. Davis