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Tom Arrington | all galleries >> Tom's Astrophotos >> 2010 > Gamma Cygni Area in Ha
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Gamma Cygni Area in Ha

Nebula around Gamma Cygni. Taken with an Ha filter during a bright moonlite night. Just to the right of Gamma is a dark nebula, LDN 889. Gamma is a relatively bright star at magnitude 2.2. It is the anchor star in Cygnus marking the connection of the wings and the body of the swan. It is in the main belt of the Milky Way, so there are many back ground stars. In the bottom right quadrant is open star cluster NGC6910. The Butterfly nebula is out of the frame to the lower right.

I was planning to get at least 1 more hour in on this, but high clouds and fog sent me home at 3am.

Photo Details
Date: Early AM August 22, 2010
Camera: SBIG ST8300M with FW5 Filter wheel
Filter: Baader 7nm Ha
Telescope: William Optics FLT 110 Lite with W/O Reducer/Flatener IV system @ f5.6
Mount: Celestron CGE guided with Meade DSI Pro via PHD Guide
Exposures: 8 x 15 minutes for a total of 2 hours
Processing: Stacked and Dark Subtracted in AIP4WIN. Brightness Scaling in AIP4WIN. Levels, Curves Noise reduction in Photoshop CS3


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