Messier 51 (Whirlpool Galaxy) is an interacting spiral galaxy with a sayfert 2 active galactic nucleus .

Whirlpool Galaxy was discovered by Charles Messier in 1773 octomber 13 is located 31million light years from Earth in constellation Canes Venatici  .

Equipment astrophoto:

-Telescope Vixen VC200l  and Astrotech RC 6 f/9 ,focal reducer 0,67x from Astro-Physics .

-Mount - Skywatcher HEQ5 Pro -guided with ZWO asi 120mm mono + 70/500 Skywatcher scope .

-Camera- Atik 314L+ mono. 

-Filters - Astronomik L,R,G,B -Atik  electric filter wheel  5 positions .

Exposures time - L 20x300sec with Vixen VC200L  .  With Astrotech RC6  - L  28x300 sec and  10x300sec for each filter -R G B .

Location -Babadag Romania ,,Scorpius" observatory .