Location : Castres (France, Tarn)
Acquisition Date : 2012-03-26 beginning at 20:15:00 UT
Author : Michel Fleureau
Scope : Newton Orion 200/1000 (f/5)
Autoguiding : Orion StarShoot autoguider (PHD Guiding) & Orion ShortTube 80/400 mm
Camera : Canon EOS 450D (Digital Rebel XSi) non défiltré (unmodded)
Filtre : Astronomik CLS 2 pouces
Accessoire : Baader MPCC Coma Corrector (correcteur de champ Baader MPCC 2 pouces)
Exposure : 80.0 minutes [20 subexposures of 240 sec each (selected from 21)] @ ISO 1600
Calibration : Dark & bias : 21/23 @ ISO 1600 - Flat & Dark-Flat : 9 @ ISO 400
Weather : Turbulence élévée. T=13°C HR=40%. Vent nul. Transparence moyenne
Software Used :
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