What speed film did you use Jeff? Though I didn't do much astrophotography back in the day, I too remember the days of Tech Pan and when 3200 speed film came out it was the bee's knees. Overall we've been having some great weather for astronomy here in Florida the last couple months (I'm 3 hours north of you on the Space Coast. Glad you're giving photography a try. * I should have read your post a little less quickly, what year was that taken?*
I think it was ektachrome slide film, maybe ASA 200 or 400.. That photo was made in 1974 I think. After I figured out why it happened I went to 2415 B&W for planet photos. Parker and I hyped the film up for faster speed, but can’t remember what it was called.
The weather here in Highlands County has been hotter than usual, then it returned to “spring” again. I have stopped observing, but still look at the sky for seeing and clouds.