Cygnus Widefield in Hydrogen Alpha
Size: about 45'
Distance: 1,550 light years
RA: 20h 25m 32s
Dec: 40 degrees 18' 55"
The region around the star Sadr, also
known as Gamma Cygni, is full of emission nebulosity (designated IC
1318B). IC 1318B is
located within the constellation Cygnus and is close to other
famous landmarks along the summer Milky Way, like the
Pelican and North American Nebulae, the Crescent Nebula, and the
area is very rich in stars, hydrogen emission, and bands of opaque
dust. Feel free to check out the links to larger versions of this
Date: April 21, 2007
FSQ106 at f5 on the G11 Losmandy
Autoguider: SBIG ST-402 with
Camera: STL11K -20C.
Filter: Baader 7nm
x 20' unbinned, total exposure
Conditions: Temperature 65 degrees F, good
transparency, average seeing, clear, minimal moonlight.
Calibrated, aligned, and Sigma Clip combined
in Maxim, followed
in ImagesPlus (IP). Further processing in Photoshop CS (16
note: Graphics on this website
may not be reproduced without author permission.
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