Sh2-170RRGB_600.jpg (434430 bytes)

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Object Type: Emission nebula
Constellation: Cassiopeia
Size: 20'

Equipment: Vixen 102-ED/TS Optics field flattener/Astrodon RGB filters/ST-10XME/Losmandy G-11, Paramount ME
F-ratio: f/6.5
Exposures: RRGB: R 12 x 20 minutes: G 12 x 5 minutes: B 12 x 5 minutes: GB binned 2x2
Date: October 29 and November 25, 2011
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 and Gaussian Blur were applied to the RGB image and Reduce Noise was applied to the dim portion of the luminance image. A copy of the RGB image was combined with original using Soft Light to enhance color.

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