M1 20210110 45RL X2 1280x1280 - M1 かに星雲

M1 かに星雲

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M1 2021-01-11 45cm F/4 2 x バーロー
M1 2021-01-11 45cm F / 4 Newtonian 2 x Barlow
I extended it to twice the focal length and took a image of M1. If itgood seeing, its can see the filament well. The finest light star is still impossible to separate.
dummy - M1 かに星雲 
M1 20210110 45RL X2 375x375 - M1 かに星雲
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