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Object name: Cirrus Nebula (Veil Nebula)   Optics:   TEC 110 FL
  Objekt type: Supernova remnant   Focal lenght:   616 mm
  Constellation: Cygnus   Camera:   FLI ML 16803-65
  Location / Date: Remseck / 13. November 2011   Exposure:   7 x 1200 sec H-alpha / 6 x 1200 sec OIII / 5 x 1200 sec SII / 1 x 300 sec RGB
  Distance: approx. 1470 ly   Filters:   Baader H-alpha filter 7 nm / OIII-filter 8.5 nm/ SII-filter 8 nm
  Apparent dimensions: approx. 3°   Mount:   10micron GM2000 HPS
  Real dimensions: approx. 100 ly   Autoguiding:   Off-Axis Guider - SX Lodestar
  Brightness: approx. 7 mag   Software:   MaxIm DL / Registar / Photoshop CS3
  Position (R.A. / DEC): 20h 45' 38" / +30° 42' 30"   Image processing:   Tone-Mapping-Method / real colors
 
 


E
xplanation:

The Cirrus Nebula, also known as Veil Nebula, is a supernova remnant which consists of several objects.
There is NGC 6992, NGC 6995 and IC 1340 (Eastern Veil), NGC 6979, "Pickering's Triangular Wisp" with NGC 6974 and
the Western Veil, NGC 6960 (Witch's Broom)

The colors are mapped to real colors:

light-red = H-alpha
dark-red = SII
cyan= OIII

colored stars overlay