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Hi all Sorry in advance for the wall of text. I started this hobby back in Feb of this year, but sadly Arizona's monsoons and health issues sidelined me for the last 3 months or so. It feels like I am having to relearn everything. This is my fist attempt at M31. 130x120s Gain 100 all captured using the live preview @ 2 hours 3 times last night. I did Autofocus between each session and tracking bounced between .4 & .7. Dithered every 3rd frame. Workflow... as best as I can remember WBPP With "Galaxy" preset & 2x Drizzle DBE with manual selection about 80 points SPCC with Filter preset selected BXT > SXT Manual histo stretch to get close then Arcstretch bumped up the saturation on the red and blues by a bit No frills manual histo stretch on the stars pixel math to combine NXT SCNR (green) Small histogram adjustment at the end to bump up the contrast a bit. Small dynamic crop Resampled 40% to get the resolution close to 4k It looks like we have very good skies in the forecast for the next 4 days, so I want to try to grab another 16 hours of data. A few questions to go along with good, the bad, and the ugly feedback I am requesting: Is 20 hours or data too much/little? where do I hit diminishing returns? I noticed there is a a semi recent update to PI, but I have had the nerve to attempt the upgrade yet. Is there anything new in the update that makes it a must have with my setup? I saw mention of new "FAST" stuff, but best I can tell that is only for planetary stuff. I tried to be as detailed as possible, but if I missed something critical that is needed to provide help, please let me know. |