Higher-resolution versions:  1680 x 1050  2170 x 1447

Sh2-157
Object Type: Emission nebula
Constellation: Cassiopeia
Magnitude:
Size:

Equipment: Vixen 102-ED/ST-10XME/Astrodon RGB filters/Paramount ME
F-ratio: f/6.5
Exposure: RRGB: R 9 x 20 minutes: G 12 x 5 minutes: B 12 x 5 minutes: GB binned 3x3
Date: September 19, 2009
Location: Landers, California, USA
Technical Notes: Individual exposures were dithered using CCDAutoPilot2 and then sigma combined. The RGB image was created in Registar 1.0.  Reduce Noise and Gaussian Blur were applied to the RGB image. A copy of the RGB was combined with the original using Soft Light to enhance color saturation.