#Exposure time for M13?

2 messages · Page 1 of 1 (latest)

ebon cape
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I am about to shoot M13 tonight. My question now is what exposure time I should use for my individual exposures. I have an 85mm APO and a 533mc. Should I use short exposures (for example 1min) or should I do 2 - 3 minutes, will it overexpose the core?

burnt ore
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for my M13 I did 120s subs, the core came out like this

image.png