Hi Dan, Thank you for the tip and for sharing the wonderful moon shot you took. I see you use 55-300mm lens and FL=300 which is the same as mine, but D7200 is a full-frame? Knowing from my 300mm FL lens and D3500 CF the moon image shot will be small, I wonder your moon image is or is not enlarged from the original photo? If so (is enlarged keeping all details intact), would you mind share your way of doing it (enlarge and crop in Darktable?)
As for metering, I have set it "Matrix" for every shooting case. Your tip makes me wonder I could have missed this useful tool for the moon shot. My understanding: first set spot metering and use P mode to check out 3 exposure parameters, then go from there to M mode to adjust exposure for viewing balance. Is this right? If yes, question: in P mode, auto iso and AF are on, but in M mode, auto iso is off and AF changed to MF. Is this normal and unavoidably bothersome when switching from P to M mode? Or could it be you only use M mode all the way to make moon shot? Please help to clear my "cloudy moon" head

Thanks