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NGC 6888 -- CRESCENT NEBULA

Object

Type                      Emission Nebula

Constellation            Cygnus

Distance                 5000 light years

Magnitude               7.4

Size                       20x10 arc-min

Image

Date                       2006-06-26 & 2006-07-02

Place                      Bixhoma Observatory

Exposure Data          HaRGB  175:30:30:30 mins @ -5C

                             Ha 35x5, R 6x5, G 6x5, B 6x5

Notes                     Created pseudo luminance frame from Ha, R, G and B data

Equipment

Optics                    Takahashi FSQ-106

Focal Length            530 mm @f/5

Mount                     Takahashi NJP

Camera                   SBIG ST-10XME

Focuser                  Robo-Focus

Filters                     CFW-10, Astrodon HaRGB

Software                 CCDAutopilot, FocusMAX, TheSky6, CCDSoft, Maxim DL, PhotoShop CS