Wednesday, May 5, 2021






 Messier 104 (Sombrero Galaxy) is a spiral galaxy about 28 million light-years from Earth  in the constellation  Virgo . M104 was discovered in 1781 by the france astronomer and comet hunter Pierre Mechain . The Sombrero galaxy"s rich system of globular clusters , estimated  to be nearly  2.000 in number - 10 times more than the number of globular clusters of our  Milky Way  galaxy . The ages of the clusters are similar to those in the Milky Way ,ranging from 10 - 13 billion years old .

Equipment astrophotography : Telescope- Astrotech RC6 f/9 with Astro -Physics reducer 0,67x .

                                                 Mount -Skywatcher HEQ5Pro -guided 

                                                 Camera- Atik 314L+ mono.

                                                Guiding sistem -ZWO asi120mm mono ,scop Skywatcher 70/500 mm.

                                                Filters - Atik electric filter wheel , Astronomik L R G B filters .

                                                Exposure time -L 20x600sec . and R,G,B  10 x300sec.for each filter.

Location Babadag Romania ,,Scorpius "observatory .

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