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| Location : | Castres (France, Tarn) |
| Acquisition Date : | 2012-03-13 beginning at 19:55:00 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 : | 180.0 minutes [45 subexposures of 240 sec each (selected from 52)] @ ISO 1600 |
| Calibration : | Dark & bias : 21/21 @ ISO 1600 - Flat & Dark-Flat : 9 @ ISO 400 |
| Weather : | Turbulence modérée. T=7°C HR=40%. Absence de vent. Transparence moyenne |
| Software Used : |