Location : Peyreblanque (Montredon-Labessonnié, 81)
Acquisition Date : 2010-04-09 beginning at 20:41:00 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 : 45.0 minutes [15 subexposures of 180 sec each (selected from 17)] @ ISO 800
Calibration : Dark & bias : 7/9 @ ISO 800 - Flat & Dark-Flat : 9 @ ISO 400
Weather : Temp 8°- Forte humidité - Absence de vent - Atmosphère stable - Transparence moyenne - Ciel lumineux
Software Used : ImagePlus, PhotoShop CS