M15 (NGC 7078): Globular Cluster in Pegasus
RA:21 30 00, Dec:+12 10 00, mag: 6.0, Size:18', Dist: 39 010 l.y.
(Click here to see high resolution version ~2.0MB) |
||
| Object: | This globular cluster, in the constellation of Pegasus, is about 200 l.y. across and has at least 450,000 solar masses. The core is very dense and the closeness of the individual stars maybe as small as that of the distance bewteen the Sun and Pluto. | |
| Exposure: | L: 6x300s, R: 5x300s, G: 5x300s, B: 5x300s | |
| Equipment: | Vixen VMC260 f/11.5, AP 0.67x reducer. SBIG ST10 CCD [L:1x1, RGB:2x2]. Astronomik LRGB filters. | |
| Location: | 22nd Dec. 2009 19:30 UT, Oxford UK. | |
| Processing: | Images aligned in MaximDL, colour luminance layered in PhotoshopCS. | |