Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's Galaxy  ·  M 81  ·  NGC 3031
Messier 81, David Barrett
Messier 81
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Messier 81

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)
Messier 81, David Barrett
Messier 81
Powered byPixInsight

Messier 81

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

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Description

Messier 81 shot under varying light pollution conditions, with two nights shot under a very bright moon and two nights captured with no moon visible. It is a 14 hour and 25 minute total exposure using 12 second sub exposures. This image was captured with an Apertura 6" f4 Imaging Newtonian, the incredible Starizona .75x focal reducer/coma corrector, the ZWO 224MC camera, and a Celestron AVX mount. No autoguiding was employed in this image and I hope that you like it!

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Messier 81, David Barrett