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Trifid Nebula

Observation Notes:  July 4-5, 2021

Observation Notes:  July 4-5, 2021  Darling Hill Observatory, Vesper NY.  Temperature cooled quickly from 70 – 54 degrees, no wind, great seeing, early heavy dew, nearly cloudless, no moon until a 3AM waning crescent.  Plenty of fireworks heard but no light issues, lovely Milky Way arching directly overhead. After a 3.5 hr delay due to technical problems and user errors, I finally got everything working right.  I used some old darks in pre-processing that blocked nearly everything out and saw nothing but medium brightness stars. I won’t do that again.  Thankfully, I had cranked up the heat early on my […]