NGC891
 

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Essays and information text is copyright Robert Gendler 2005

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DATA

  • Telescope: A&M 152 F7.9 - Apo Refractor (Focal increased to F16-2400mm)
  • Camera : SBIG ST8XME with CWF8A
  • Mount : Gemini G41 Observatory Plus
  • Exposure: L =5x20min - RGB 1 x 30 min each channel
  • Filters: L = Idas LPS - RGB = Trubalance set
  • Acquisition software: The Sky 6 - Maxim DL
  • Processing Software: Maxim DL - Photoshop
  • Site: Lesmo ( Milan Suburbs - Italy)
  • Seeing: FWHM 3.5 "
  • Trasperency: Poor - Moon

 

  • NOTES: this images is obtained with F16 focal (2400mm ~) using a barlow lens