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 FS-60C @ f/6.2
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 8x15min Ha; 2x5min ea RGB (all bin1x1); AstroArt5, CS4 (slightly cropped, 10xdarks/flats/fdarks/bias)

25,27 December 2013 - Las Cruces, NM

Published as Amateur Astronomy Picture of the Day (AAPOD), 20 May 14.
as Astronomy Magazine Picture of the Day, 14 May 14 (screenshot).

Imaged over 2 nights. 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 Ha_HaRGB, where Ha:R (80:20) was used for the Red channel, and Ha for Luminance.

Copyright  Jeffrey O. Johnson

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