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| Location : | Bois-de-la-Pierre (France, Haute-Garonne) |
| Acquisition Date : | 2017-10-28 beginning at 23:16:00 UT |
| Author : | Michel Fleureau |
| Scope : | Sky Watcher Esprit 80ED Pro triplet Refractor (f/5) |
| Autoguiding : | Orion StarShoot autoguider (PHD Guiding) & William Optics 50mm Guide Scope M-G50 |
| Camera : | Canon EOS 450D (Digital Rebel XSi) full spectrum modded (totalement défiltré) |
| Filtre : | Astronomik CLS-CCD EOS Clip-in (Astronomik CLS-CCD clipsable pour Canon EOS) |
| Accessoire : | Skywatcher M48 Field Flattener Esprit-80ED |
| Exposure : | 248.0 minutes [31 subexposures of 480 sec each (selected from 35)] @ ISO 1600 |
| Calibration : | Dark & bias : 31/51 @ ISO 1600 - Flat & Dark-Flat : 31 @ ISO 400 |
| Weather : | Temp 3°C - H80% - Turbulence élevé - Bonne transparence |
| Software Used : | ImagePlus, PhotoShop CS, Noiseware Community |