Probably the most famous open cluster, visible by naked eyes is called Pleiades, Subaru or Seven Sisters. Charles Messier cataloged this DSO under number 45 (M45). This cluster is located in constellation Taurus. It’s the closest cluster to the Solar system (430 light years), has 8 light year in diameter and it’s characterized by the nebulosity – reflective illumination of the space dust by the blue light of the hot, young stars. The brightest stars have names: Alcyone, Atlas, Electra, Maia, Merope, Taygeta, Pleione, Celaeno and Sterope.
|Telescope:||Newton 254/1000 mm|
|Focal length:||730 mm|
|Autoguiding||ZWO 174MM, TS 60/240 mm|
|Camera:||Moravian instruments G2 8300M @-30C|
|Corrector:||ASA 2" reducer 0.73|
|Exposure:||24xL 300 s bin 1x1, 16xRGB, 200 s, bin 2x2|