Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  LBN 312  ·  LDN 906  ·  LDN 911  ·  VdB136
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vdB136, GN 20.36.5 (RNeb), LDN 906, Diamond Ring Cluster (IR OC), [KC97c] G081.5+00.6 (HII), TGU H491 P10 (DNeb); Cygnus, Thomas V. Davis
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vdB136, GN 20.36.5 (RNeb), LDN 906, Diamond Ring Cluster (IR OC), [KC97c] G081.5+00.6 (HII), TGU H491 P10 (DNeb); Cygnus

Getting plate-solving status, please wait...
vdB136, GN 20.36.5 (RNeb), LDN 906, Diamond Ring Cluster (IR OC), [KC97c] G081.5+00.6 (HII), TGU H491 P10 (DNeb); Cygnus, Thomas V. Davis
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vdB136, GN 20.36.5 (RNeb), LDN 906, Diamond Ring Cluster (IR OC), [KC97c] G081.5+00.6 (HII), TGU H491 P10 (DNeb); Cygnus

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Acquisition details

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Description

vdB 136, GN 20.36.5 (RNeb), LDN 906, Diamond Ring Cluster (IR OC), [KC97c] G081.5+00.6 (HII), TGU H491 P10 (DNeb); Cygnus

Astro Systeme Austria N12 f/3.5 astrograph

Tele Vue 127is f/5.2 refractor

KAI-11000M/CM SBIG STL; M (Lum), CM (RGB)

Total Exposure Time: 5.6 hours; LSC 110:225 minuites

August 2010; Inkom, ID

Comments: vdB 136 is the yellow reflection nebula in the center of the image. Numerous emission nebulae are present in this area of the constellation Cygnus. Also present, but much less seen, are thin vales of dust which when imaged give a bluish tint to the sky background. Processing the data to bring out the faint dust does reduce the overall contrast of the image, but I feel that it is worth it to see this etheral dust. Areas where there is much less dust or more opaque dust appear black. The Diamond Ring Cluster is a star cluster in the image, but it can only be seen in infared.

vdB136: Size (arcmin): 7.5

Type: illuminating star inside nebula

Surface brightness: very faint

Color: red

Absorption: very strong

Illuminating star ID1: BD+41 3836

Illuminating star ID2: HD196819

Mag. of illuminating star: 7.55

Spectral type of star: K2.5IIb

Comments

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vdB136, GN 20.36.5 (RNeb), LDN 906, Diamond Ring Cluster (IR OC), [KC97c] G081.5+00.6 (HII), TGU H491 P10 (DNeb); Cygnus, Thomas V. Davis