Deep Sky Stacker 4.2.6.1+Gimp 2.10.32

Comet C/2022 ER (ZTF) and Polaris, image taken at Colma di Sormano, Lombardy, Italy on 29/01/2023 on equatorial mount. Stacking of 52 light, 26 dark, 27 flat and 27 bias for a total of 1.040 sec of exposure at ISO 800.

Exposure Time: 20 sec (each image)
F Number: 2.0
ISO: 800
Date/Time Original: 2023:01:29 02:51:23 UTC+1.00
Focal Length: 85.0 mm
Longitude: 9° 13' 45.06" East
Latitude: 45° 52' 58.64" North
Height: 1128 msl