M81 or Bode`s galaxy -is a spiral galaxy in Ursa Major about 12million light years away ,from Earth . M81 was first discovered by Johann Elert Bode on 31 December 1774 . The active galactic nucleus in the  center of the galaxy it has a supermassive black hole .

details photo; telescope- Astrotech RC 6f/9
-focal reducer Astro-physics 0.67x -2 .
-ccd camera astrophotography Atik 314L +mono
-electronic filter well atik 5 position
-filters ,,Astronomik" LRGB
-guiding camera ZWO a s i 120mm mono.
-guide scope  Skywatcher 70/500 mm
-mount   Skywatcher heq5 Pro .
- photography exposures time ; Luminance filter 15 frames  x 600 sec. & 10x300 sec for each filter -R-G- B .

Location; Babadag -Romania 13 December2018  private observatory . Not very clear
(transparence) sky. Winter time ..............