The Owl Nebula, also known as Messier 97 (M97, NGC 3587, PN G 148.4+57.0), is a planetary nebula located in Ursa Major.

L-channel - 20 x 300 sec. bin 1x1;R-channel - 14 x 600 sec. bin 1x1;G-channel - 14 x 600 sec. bin 1x1;B-channel - 14 x 600 sec. bin 1x1;OIII- 40 x 900 sec. bin 2x2.Total integration time about 18:40 hours.

My setup: Telescope 8" Celestron Schmidt-Cassegrain (SCT) CPC800 GPS (XLT) on the equatorial wedge, focal reducer Starizona 0.75x, Feq.= 1626mm, camera Starlight Xpress Trius SX694, SX mini filter wheel, filters Astrodon LRGB E-series gen.2, Astrodon OIII 3nm.Capture and processing software: MaxIm DL6, PHD2, PixInsight, StarTools, Photoshop CC, Zoner photo studio 14.North at the top.

Copyright: Boris Vladimirovich