Explanation: Messier 63 NGC 5055) larger galaxy about 100,000 A.L. a diameter of about 25 million light-years away in the constellation Canes Venatici, also known as Sunflower due to the peculiar structure of its arms wide to the rich spiral of nodules and dotted with star-forming regions. It presents a very extended halo.
Notes: this is one of the first images obtained with the new Avalon m3
| Optics: | Celestron C11 HD @ f10, f6.3 |
| Mount: | Avalon M3 Fast Reverse |
| Camera: | SX H694 |
| Dates/Times: | April 2015, april 2016 |
| Location: | Viterbo, W.Herschel obs. Italy |
| Exposure: | Lum: 21.2 hours R : 120min; G: R/B min; B: 240 min |
| Cooling: | avg – 5° |
| Acquisition: | A.Falesiedi |
| Processing: | A.Falesiedi |
| SQM-L: | 19.7 |
| NOTE | um: 80% |