Re: M 81
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I think Kevin's approach is correct for CMOS. I have the 1600MM Pro and there just doesn't seem to be an advantage to long subs, although I've only done one galaxy and it was faint. The integration recovers the low end and the high end has less saturation. Kevin's 294MM has much greater full well depth than the 1600 as well as 14 vs 12 bits. There were some minor sensor issues but I'm getting one when they are fixed.
On Tue, Apr 20, 2021 at 10:11 PM Mike Dodd <mike@...> wrote:
I have an ASI-1600MC Pro on a TMB130SS f/7 APO on an AP1200. I usually shoot 10m subs. For galaxies I often use Pixinsight's HDRMultiscaleTransformation to recover core detail. Here is my attempt at M81 and M82: http://astronomy.mdodd.com/galaxies-18.html