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Subject: M74
Author: Carlos Gouveia
Nationality: Portuguese
Scope: FLT 110 Triplet APO F/7.0
Instruments:
  • Losmandy G11 + Gemini
  • SBIG ST2000XM + CFW10 filters
Exposure time:
  • (Luminance)-4x30 minutes.
  • (Red)-3x20 minutes.
  • (Green)-3x20 minutes.
  • (Blue)-3x20 minutes.
Place & Seeing: Palmela
Date: 03-11-2007
Remarks: With the filter of luminance (IDAS-light pollution suppression) from Hutech Astronomical Produts + the RGB filters from Astronomik.
Programs used for processing were the following: Maxim DL and Photoshop CS2 without darks and or flats.

 

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