Horsehead Nebula in Bi Color

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High Res Image (4000 x 2675 )

H Alpha image  (1000 x 667 )

Telescope : Takahashi FSQ 106 ED @ F5

Camera : Starlight Xpress SXVR H35 Full frame

Filters : Baader H@ 7 nm  OIII 8nm

Mount : IOptron IEQ45

Guiding : 70 mm Vixen guidingscope @ 840 mm and Meade DSI 1 using PHD

Exposure : 9 x 15 min  Hydrogen , 8 x 15 min OIII , 10 Flats (both filters) 50 bias frames and 6 Darks  

Processing : Nebulosity , CCD Stack and PS CS 4

DDP , Levels , curves  , High pass filtering

Location : Sterrenwacht wave

The Haque , The Netherlands

Date : 10-2-2012

Conditions :  -8 degrees celsius 

Remarks :first time went away from home and left the camera roll....