Gamma Cygni Nebula Mosaic
This is just a portion of a huge nebulous region near the bright star
Sadr in the constellation of Cygnus. Sadr is the bright star near the center
of this image. This image contains many objects, each with their own
designation. Among the brightest are IC 1318 (The Butterfly Nebula), IC
1311, and NGC 6888 (The Crescent Nebula). This image is a mosaic of 12
frames, covering approximately 6.2° x 5.5° of sky.
The full-resolution image of this target is
here
(~2.5Mb).
Takahashi Sky 90 at f/4.5
SBIG STL-4020M (self-guided)
Takahashi EM-200
Hutech LPS Filter
Mosaic of 12 frames
Ha: 36 hours total for all frames (20 minute subexposures)
Processed in Maxim/DL and Photoshop
Noel Carboni's Astronomy Tools Actions