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Question about imaging with 3nm Ha

oldannie
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oldannie

oldannie

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Am hoping the forecast is right for tonight so am intending to use my 3nm Ha filter for the first time as part of my luminance.  If I was using a 7nm filter I would collect 7/8 x600secs.  Should I collect more with my 3nm?  Probably a naive question!!

 

Annie

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