Gamma Cygni Nebula IC1318
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Scope: FSQ-106N at f/5, Laguna Mountains, CA 9 June 2012, Camera: ST8300M
Exposure: 17 x 9 minutes H-Alpha (1x1 bin), 8 x 4 minutes RGB Exposures (2x2 bin)
Processing: Data Collection - CCDSoft (as FITs). Calibrated, stacked (Sigma Combine), LRGB channel registration, central gradient removal, and color equalization - Astroart. Curves, Levels, HaRGB combine and finishing - Photoshop. This image is a HaRGB combine with Ha channel and total RGB matched to minimize color shift. Selective sharpening was applied to nebula features. Final Image size is approximately 3200 x 2417.
North is up in this image. The bright star seen in this image is Gamma Cygni which gives its name to the nebulous area surrounding it. The star is also commonly known as Sadr. Sadr is about 1,524 light years distant. IC 1318 is an emission nebula with a dominate Hydrogen Alpha emission line. It is also known as Sharpless 108 and the Gamma Cygni Nebula. The star cluster at the upper right edge is NGC 6910. This image replaces an earlier image that can be seen in the Archives here. The Horizontal FOV is 120'.
Image center is located approximately - Equatorial 2000: RA: 20h 23m 06s Dec: +40°47'00"
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All images and content remain the property of Jim Thommes - copyright 2003 - 2012
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