August Blue Supermoon, about as large as the Moon ever appears to us on Earth. Images acquired at an Earth-Moon distance of 355 520 km (from Stellarium) and subtending an angle of 0.56° or 33.6 arc seconds. Compare this with it's minimum and mean of 29.4 and 31.1 arc seconds, so roughly 8% larger apparent size than average or 14% larger than minimum.

Nikon D800
Skywatcher 300PDS, 1500 mm focal length

Autostakkert: 25% of 100 images taken
GIMP: Sharpen, adjust curves