Location : Castres (France, Tarn)
Acquisition Date : 2009-08-15 beginning at 23:59:00 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)
Exposure : 75.0 minutes [25 subexposures of 180 sec each (selected from 30)] @ ISO 400
Calibration : Dark & bias : 9/9 @ ISO 400
Weather : Temp 22° - Hum 45% - Absence de vent - Turbulence moyenne - Transparence moyenne
Software Used :
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