NGC 6820-6823
  

NGC6823RRGB(500).jpg (264032 bytes)

Higher-resolution versions:  1680 x 1050  2141 x 1392

NGC 6820
Object Type:
Emission nebula
Constellation:
Vulpecula
Magnitude:
Size:
40'
NGC 6823
Object Type:
Open cluster
Constellation:
Vulpecula
Magnitude:
7.1
Size:
12'

Equipment: Vixen 102-ED/ST-10XME/Paramount ME/Astrodon LRGB filters
F-ratio: f/6.5
Exposures: RRGB: R 8 x 20 minutes: G 8 x 5 minutes: B 8 x 5 minutes: GB binned 2x2
Date: August 23, 2008
Location: Landers, California, USA
Technical Notes:
Individual exposures were obtained using CCDAutoPilot2 and then sigma combined. The RGB image was created in Registar 1.0. A high-pass filter was selectively applied to a copy of the luminance image, while Gaussian Blur of 1.0 pixel was applied to the RGB image.

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