Sigma's latest firmware update for the Nikon mount was dated 3/14/2019:
【Benefit of the update】
・It has improved the stability of the image in the viewfinder, making it easier to confirm composition, thanks to the updated control algorithm of the Optical Stabilizer.
I purchased a new one on...
Just found out that my Sept 2022 acquired new Sigma 150-600C has an unknown version of firmware installed because don't have a dock to check it. I contacted Sigma for an answer and got no straight answer of knowing my piece version unless using a dock to check/update (serial # won't help). Also...
Must you edit the image in LR after running Sharpen AI? Edit what except sharpening in LR? IMO, from what you presented Topaz Sharpen AI looks impressive on that BIF image in full size. Not as much in crop though. How effectively does Sharpen AI perform in jpeg? (or does it even work on jpeg?)...
Indeed, the images caught by the ground camera helped with astro telescope. The time duration of the passing by was just 0.54". If the shutter speed is set as 1/50, about 25 distinctive SS images can be caught from the event (I think).
These photos are from online sources and reports. Only the photographic perception is considered, here, for these images.
Chinese space station (CSS):
CSS passing in front of Moon March 7, 2023 (screenshots)