Explanation : this cosmic portait depict of glowing gas and dark clouds shows a star-forming region in the northern constellation Cassiopeia. Also cataloged as NGC 896 is here portrayed in the light ionized hydrogen, oxygen twice ionized blue and ionized sulfur in red and yellow. It is a small part of the giant HII region known as IC 1805, the Heart Nebula, popular photo opportunity for his remarkable chaotic spectacle. Located just over 6,000 light years away, it extends along the Perseus spiral arm of our galaxy
| Optics: | Celestron C11 |
| Mount: | Avalon M1 Fast Reverse |
| Camera: | SX H694 unbinning |
| Dates/Times: | August 2014 |
| Location: | Viterbo, W.Herschel Obs. |
| Exposure: | Lum (halpha): 510 min Sulfur : 102 min Oxigen: 104 min G: R/B |
| Cooling: | avg – 5° |
| Acquisition: | Astroart |
| Processing: | Iris-AstroArt-PS3 |
| SQM-L: | 20.2 |
| NOTE | um: 90% |