I've tried all the forecasting sites & while they are somewhat correct on some nights, they are totally wrong on the majority of times. They are wrong that often I gave that all up a long time ago.
If it's clear, I'll preview the seeing naked eye. If a fast flicker is present it won't usually be any good for what I do (High rez planet imaging) I'll usually setup nonetheless because really, the only true way to tell is get the target on the camera livefeed.
Seeing comes & goes in patches where I am so it's still worth setting up in lousy conditions, especially in the month of Feb. (for me) On 6 nights in a row, I've seen it go from 5-9/10 within minutes & then back down to a 3/10. I have to be there previewing for HOURS before I'll get that good seeing data most times.
6 hours of previewing tonight/this morning until dawn gave me a result of Zero data captured. Dedication & plenty of time on your hands is paramount.
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