Cassiopeia Nebulae

CasNebulae300RRGB(500).jpg (332872 bytes)

1680 x 1050

For object labels, see the wider-field image.

Equipment: Nikkor 300mm f/4 lens/STL-11000M/Astrodon LRGB filters/Paramount ME
F-ratio: f/5.6
Exposures: RRGB: R 10  x 20 minutes: G 10 x 5 minutes: B 10 x 5 minutes: GB binned 2x2
Date: November 22, 2009
Location: Landers, California, USA
Technical Notes:
 Individual exposures were dithered with CCDAutopilot2 and sigma combined. The RGB image was created in Registar 1.0. Reduce Noise was applied to the RGB image and a Gaussian Blur of 1 pixel was applied to the dim portions of the luminance image. The RGB image was duplicated and combined using Soft Light to enhance color.

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