Nikkor 85 mm f/1.8 S with Nikon Z6
NB : CCD Inpector data are in pixels (not in arsec)
Image scale with Nikon Z6 = 14.6918 arsec/pixel (measured with Astronomy.net)
f/1.8:
f/1.8 - 10 s - 1000 ISO - Nikon Z6 - 17 dec 2023
f/2.2 :

f/2.2 - 10 s - 1000 ISO - Nikon Z6 - 17 dec 2023
f/2.8:
f/2.8 - 10 s - 1000 ISO - Nikon Z6 - 17 dec 2023
f/4:
f/4 - 10 s - 1000 ISO - Nikon Z6 - 17 dec 2023