Dark Horse Observatory

Dark Horse Observatory
Kimberton, PA US


Image Details: NGC 7129

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NGC 7129

Object/Name: NGC 7129 Image Details:
Type: Open Cluster (Trumpler Type IV 2 p n) & Diffuse Reflection Nebula Luminance IRB:5.00 min. (48) – 240.00 min. 1x1
Constellation: Cepheus Red:5.00 min. (36) – 180.00 min. 1x1
RA: 21 hours 42.8 minutes Green:5.00 min. (36) – 180.00 min. 1x1
Dec: +66 degreees 06 minutes Blue:5.00 min. (36) – 180.00 min. 1x1
Distance: 3,300.0 light years Total Time:780 minutes
Magnitude: 11.5 mag   
Size: 8.0 x 8.0 arc minutes   
Imaging Dates: 31 August - 4 September 2008   
Location: Dark Horse Observatory, Kimberton, PA 19460 U.S.A.   
Telescope: Takahashi BRC-250 Mount: Mountain Instruments MI-250
CCD: SBIG ST-10XME Rotator: Optec Pxyis Rotator
Focuser: Finger Lakes Instruments DF2 Filters: Astrodon Series E
Software Used:
  CCDStack Photoshop CS3
Russel Croman’s Gradient Xterminator Noel Carboni’s Astronomy Tools
Detailed Information:
NGC 7129 is an open cluster with a diffuse reflection nebula in the constellation Cepheus. It is surrounded by clouds of dust most visible in this image to the left of the nebula. The hot young stars are generating stellar winds that are creating the linear structures in the nebula. In the far lower right corner you can see the edge of another moderately dense open cluster NGC 7142. There is a small background galaxy located in the lower right corner before you reach NGC 7142. This is PGC 97261. North is located to the left.

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