Owl Nebula

M97 (or NGC 3587), also known as the Owl Nebula, is a famous planetary nebula located in Ursa Major constellation. The nebula lies at a distance of 2,030 light years from Earth and has an apparent magnitude of 9.9. It has a spatial diameter of 1.82 light years.

This SHO-image is captured with SPA-2 (Officina Stellare 700RC), data from 2 one-clicks.

Total integration time 85 minutes

SII: 8 subs of 300s

H-alpha: 4 subs of 300s

OIII: 5 subs of 300s