M104, Sombrero Galaxy in Virgo
 | |
| large |
| Date | 05/17/2006 |
|---|---|
| Conditions | 20.28 mags/sq arc second at zenith |
| Scope | Celestron C-11 |
| Optics | Celestron 0.63X Focal Reducer, Baader UV-IR Cut Filter |
| Camera | Canon 350D (IR modified) |
| Exposure | 30 x 4 min, ISO 1600 |
| Processing | ImagesPlus 2.75beta1, dark/flat/bias calibration, stacked, DDP, adaptive RL; PS CS2, curves, grain reduction, star shaping |