Last night's observing session started out nicely.
Mars was going to cross the meridian early in the night, so I started dragging the equipment out shortly after sunset. I wanted to give the OTA plenty of time to thermally equalize before trying to image Mars.
The sky was gloriously clear.
Astrospheric, my go to site for astronomy weather predictions, claimed that it was going to cloud over in a couple of hours.
"Nah, that can't be right," I thought. The sky was gorgeous. The Milky Way was brightly overhead.
As I connected the imager to the laptop, I looked over to the western horizon and saw a wisp of a cloud bank very low in the sky.
I pointed the telescope at Mars, attached the imager, and started FireCapture. After getting Mars into focus, I took another peek at the western horizon. "Hmmm. That is a fast moving bank of clouds."
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FireCapture and Mars |