Mare Crisium and Cleomedes
I know, I know -- I've shot this part of the Moon 10 or 20 or more times before. However, when I shoot the Moon from home, I generally go with a monochrome camera. This is with the ZWO ASI224MC and Celestron C14 from the Cerritos College Observatory. Seeing wasn't optimal, so I put a 0.63x focal reducer in there to get a wider field. There was also a ZWO UV/IR cut filter.
I took 1000 frames with FireCapture on the night of 2024-01-27 at 0818 UT. The moon was in a waning gibbous phase, about 96.5% illuminated. I stacked the best 650 of those in AutoStakkert. The stack was cropped and sharpened in PixInsight, then I boosted the saturation in GIMP. I suspected there had to be some color variation in the eastern (toward the right; north is at the top) edge of Mare Crisium. It's subtle, but it's there.
There's also what looks like a sizable valley at that edge of the mare. I searched USGS lunar maps, but couldn't find a name for it. It seems to be between the craters Eimmart and Alhazen. Maybe I should just name it after myself. Nah... I'm never going to get there.
Mare Crisium and Cleomedes
I know, I know -- I've shot this part of the Moon 10 or 20 or more times before. However, when I shoot the Moon from home, I generally go with a monochrome camera. This is with the ZWO ASI224MC and Celestron C14 from the Cerritos College Observatory. Seeing wasn't optimal, so I put a 0.63x focal reducer in there to get a wider field. There was also a ZWO UV/IR cut filter.
I took 1000 frames with FireCapture on the night of 2024-01-27 at 0818 UT. The moon was in a waning gibbous phase, about 96.5% illuminated. I stacked the best 650 of those in AutoStakkert. The stack was cropped and sharpened in PixInsight, then I boosted the saturation in GIMP. I suspected there had to be some color variation in the eastern (toward the right; north is at the top) edge of Mare Crisium. It's subtle, but it's there.
There's also what looks like a sizable valley at that edge of the mare. I searched USGS lunar maps, but couldn't find a name for it. It seems to be between the craters Eimmart and Alhazen. Maybe I should just name it after myself. Nah... I'm never going to get there.