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OBJECT

Sadr (center star) surrounded by IC 1318           (image above is reduced-size | other sizes:  medium , original)

Distance:  1,800 light years to Sadr and 5,000 light years to IC 1318

Telescope Takahashi TOA-130F @ f/7.7 (FS-60C for RGB)
Mount Takahashi EM200 Temma II
Camera QSI 540wsg @ -15C
Filters Astrodon Ha (3nm), Astrodon Tru-Balance I-Series LRGB Gen 2
Guider SX Lodestar
Settings 5x20min Ha, 2x5min L (bin1x1); 2x5min ea RGB (bin1x1 - note RGB data is from FS-60C on 25 Dec 13); AstroArt5, CS4 (slightly cropped, 10xdarks/flats/fdarks/bias)
Date/Location

Notes
24 November 2017 - Las Cruces, NM

Cygnus area supergiant Sadr (also known as Gamma Cygni, γ Cygni, or γ Cyg) is the center bright star, together with the diffuse emission nebula IC 1318 that lies in the background (red and dark color). This image is LHaRGB, where Ha:R (80:20) was used for the Red channel, and L+Ha for Luminance.

Copyright  Jeffrey O. Johnson

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