(center star) surrounded by IC 1318
(image above is
reduced-size | other sizes: medium
1,800 light years to Sadr and 5,000 light years to IC 1318
||Takahashi FS-60C @ f/6.2
||Takahashi EM200 Temma II
||QSI 540wsg @ -15C
|| Astrodon Ha (3nm), Astrodon Tru-Balance I-Series LRGB Gen
||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.
Published 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