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| Location : | Castres (France, Tarn) |
| Acquisition Date : | 2011-09-27 beginning at 20:07:00 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) |
| Accessoire : | Baader MPCC Coma Corrector (correcteur de champ Baader MPCC 2 pouces) |
| Exposure : | 18.0 minutes [6 subexposures of 180 sec each (selected from 7)] @ ISO 400 |
| Calibration : | Dark & bias : 9/9 @ ISO 400 - Flat & Dark-Flat : 9 @ ISO 400 |
| Weather : | Turbulence faible. T=22°C HR=30%. Vent faible de SE. Bonne transparence |
| Software Used : |