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Subject: M27
Author: Carlos Gouveia
Nationality: Portuguese
Scope: FLT 110 Triplet APO F/7.0
Instruments:
  • Losmandy G11 + Gemini
  • SBIG ST2000XM + CFW10 filters
Exposure time:
  • (H-alpha)-4x15 minutes.
  • (OIII)-4x15 minutes.
Place & Seeing: Palmela
Date: 12-08-2007
Remarks: With narrow-band filters H-alpha (luminance and red) + OIII (green and blue).
Programs used for processing were the following: Maxim DL and Photoshop CS2 without darks and or flats.

 

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