Give it a play before it will be deleted from HDD soon.
Color data l: taken with EF400mm F5.6L + 40Da @F5.6, autoguided with Vixen GP mount
L channel: taken with Vixen ED81S + 1600MM @624mm F7.7, autoguided with Vixen AP mount
Combined in PI
NGC5139
誰在線上
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