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NGC 6888; The Crescent Nebula

Taken 20100726-20100731

 

The constellation Cygnus is full of wonderful Nebula. Among them is the Crescent Nebula, an emission nebula caused by a Wolf-Rayet star.

 

Telescope:

  Celestron Edge HD14"

Camera:

  Apogee U16M

CFW:

  Apogee 7S

Mount:

  Celestron CGE Pro

Guiding:

  Astrodon Monster MOAG

  Lumenera Skynx 2.0m

  MetaGuide

Filters:

  Astrodon 4nm HA (50mm square)

  Astrodon 3nm O-III (50mm square)

Software:

  MaximDL

  Custom

  PhotoShop

Exposures:

  8x900s HA

  10x900s O-III

  

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Taken on July 31, 2010