NGC6946/6939 (Galaxy/Open Cluster)

NGC6946 is a face on spiral galaxy that forms a nice pair with the open cluster NGC6939. These objects lie near the Milky Way galactic plane and therefore are obscure by dust clouds. Six supernova have been detected in this Galaxy, more than in any other galaxy. NGC6946 is located in the constellation of Cygnus (The Swan) and NGC6939 in Cepheus (The King); they are 9.69/7.8 magnitude respectively. NGC6046 is approximately 22.5 million light years whereas NGC6939 is 9000 light years.

 

Image Profile:

Lee, IL

Type: LRGB

Frames: LRGB 6x600;4x300;4x300;4x300

Imaging Date: 20121116 20:31

Hardware:

-Main scope: Orion EON APO 120mm

-Guiding Scope: Orion 80mm Short Tube

-CCD: QHY9M with filter wheel with LRGB Ha

-Orion Atlas mount

Imaging Applications:

-Acquiring: Nebulosity Ver. 3.0.2

-Guiding: PHD Ver. 1.11.3

Processing Applications:

-CCDSoft

-Photoshop cs3

Comments: Temp 35~28F, good transparency.

 

Reprocessed on 11/21/2012 to minimize distracting star bloating due to exposure times.

Done