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Messier 81
About this observation
Observer
Geof Lewis
Time of observation
02/03/2020 - 23:00
Object
Messier 81
Observing location
Norfolk, UK
Equipment
Scope: C14 + Optec x0.67 telecompressor lens
Camera: QSI583wsg-5
Filters: Astronomic HaLRGB
Camera: QSI583wsg-5
Filters: Astronomic HaLRGB
Exposure
RGB=18x300s each; L=18x600s; Ha=16x900s. All bin 2x2
Tags
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Messier 81 is also known as also known as NGC 3031 or Bode's Galaxy. It's a super example of a classical spiral galaxy and is located 12 million light years away in the constellation of Ursa Major. With low to moderate magnification in a medium sized telescope you can see it nicely paired with Messier 82, which appears as a thin line compared to the larger aspect of M81. M81 is about half the size of our own galaxy and Geof has captured it nicely in this image.
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