M 97  -  Owl Nebula

100%  resolution (1.0MB)

150%  crop (0.2MB)

Object data of Messier 97

Object type: Planetary nebula
Size: 3.2'
Magnitude: 12.0 mag
Constellation: UMa
Distance: 2,000 Ly
Notes: M97 is a 8,000 years old planetary nebula in constellation Ursa Major. Its round shape along with the placement of two large, dark "eyes" do suggest the face of a staring owl.

Exposure data

Date: 2016-03-18 + 26 + 2016-04-04 + 20 + 2016-05-20
Location: Nussbach / Austria (400m)
Telescope: 12" Newtonian telescope (f=1120mm)
Camera: QSI 660wsg-8 with Astrodon filters
Binning: L 1x1 / RGB 1x1 / Ha 1x1 / [OIII] 1x1
Mount: ASA DDM85
Exposure time: L 34x2min / RGB 9x2min each / Ha 35x8min / [OIII] 39x8min
Exposure time total: 11h 54min
Notes: Image acquisition in 5 nights around full moon.