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Ideal Exposure for subs - Clipping stars?
Hi all,
Should my star pixel values be clipping in my light frames? I would assume not as a pure white value isn't super useful.
I got about 3hrs of exposure on Carina, my first target, only to realise after integrating all the data that the vast majority of my stars are 255 values and clipped.
I was using a EOS 70D at ISO400 and 3min exposures. I'm unsure whether it would be best to drop ISO to 100 and leave exposure time as it is OR leave ISO400 and drop time and just take more frames.
Any thoughts or suggestions?
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