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NGC6946

NGC6946 Fireworks Galaxy  LRHaGB

 

The NGC6946 Galaxy is located between the constellations Cepheus and Cygnus.  It is about 26 million light years away, also 9 Supernova have been discovered in it. NGC6946 was discovered by William Herschel in 1798.  Apparent dimensions are 11.5 X 9.8 arcminutes.

 

Luminance 300min

 

 

 

 

 

 

 

 

 

 

Red 150min

 

 

 

 

 

 

 

 

 

 

Green 140min

 

 

 

 

 

 

 

 

 

 

Blue 150min

 

 

 

 

 

 

 

 

 

 

Ha 300min

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Scope              Planewave 17in

Camera           Apogee U16

Mount               Paramount ME

Filters               Astrodon  LRGB   Ha5nm  

Exposures       RGB 2.5Hrs each   L 5Hrs    Ha 5hrs      Ha 20min subs   LRGB 10min subs

Location           Sierra Nevada Mountains CA.  Heavens Mirror Observatory  SRO       2011 

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