Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's nebulae  ·  M 81  ·  NGC 3031
M81, 我可是汞
M81
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M81

M81, 我可是汞
M81
Powered byPixInsight

M81

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Rx13 Gx14 Bx11 Lx32 10min per frame

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M81, 我可是汞