Messier 25 is an open cluster in constellation Sagittarius. It’s approximately 2000 light-years from Earth and it contains 50 brighter star and probably few tens of dimmer stars. The background in illuminated by many stars, because this cluster is located in direction of the galactic center of the Milky Way.
Technical details:
| Telescope | Newton 150/600 mm |
| Aperture | 150 mm |
| Focal length | 660 mm |
| Mount | iOptron CEM25P |
| Autoguiding | QHYCCD miniGuideScope 130 mm f/4.3, ZWO 174 MM |
| Camera | ZWO 071 Pro @-10C |
| Corrector | Explore Scientific HR coma corrector |
| Filters | Astronomik L-1 - UV IR Block Filter |
| Exposure | 21x180s, Gain 134, bin 1x1, |
| Date | 2018-09-10 |
[…] skies. Specifically, I captured M4, M6, M7, M8, M9, M17, M18, M19, M20, M21, M22, M23, M24, M25, M28, M30, M31, M33, M45, M54, M55, M56, M62, M69, M70, M73, M75, M80 and M107. Moreover, I […]
[…] skies. Specifically, I captured M4, M6, M7, M8, M9, M17, M18, M19, M20, M21, M22, M23, M24, M25, M28, M30, M31, M33, M45, M54, M55, M56, M62, M69, M70, M73, M75, M80 and M107. Moreover, I […]