Messier 28 is a globular cluster located in constellation Sagittarius. Center of Milky Way takes care about the background, which is filled by many stars. The cluster is 17900 light-year away from the Solar system and it has diameter approximately 60 light-years.
|Telescope||Newton 150/600 mm|
|Focal length||660 mm|
|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||25x120s, Gain 134, bin 1x1,|