M51 in Canes Venatici
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| small | previous |
| Date | 04/15/2007 |
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| Conditions | Transparency 4/5, Seeing 3/5 |
| Scope | Vixen VC200LDG @ f/9 |
| Filters | Baader UV-IR Cut |
| Camera | Canon 350D (IR modified) |
| Exposure | 23x600s ISO1600 |
| Processing | MaximDL raw conversion, bayer interpolation, dark/flat/bias calibration, stacking; ImagesPlus, levels, ddp; PS CS2, levels, curves, USM, hi-pass; Bud Guinn's smaller stars action; Noel's Actions, space noise, soft color gradient |
| Notes | I thought it was about time to revisit M51. The keen eye will notice a faint fuzzy to the left of NGC5159 (the smaller companion), this is IC4278, a 15.4 magnitude galaxy. A little up and to the right of that one is IC4277, mag 15.7. |