2021a1 202111203 dbartlett

Processed solely in PixInsight which separates the comet from the stars, to be stacked & processed separately and then be recombined here is some more info...

Observational Information:
scope:C-RASA11
Camera: ASI294mcP
139 x 60 seconds
June Lake, California USA
Dan Bartlett

Image info:
WCS transformation ....... Linear
Projection ............... Gnomonic
Projection origin ........ [1921.495000 1372.501391] px -> [RA: 13 44 25.898  Dec: +28 18 23.08]
Resolution ............... 1.544 arcsec/px
Rotation ................. 6.682 deg
Reference system ......... ICRS
Observation start time ... 2021-12-03 13:41:20 UTC
Focal distance ........... 618.69 mm
Pixel size ............... 4.63 um
Field of view ............ 1d 38' 52.1" x 1d 10' 37.2"
Image center ............. RA: 13 44 25.898  Dec: +28 18 23.08
Image bounds:
   top-left .............. RA: 13 48 28.712  Dec: +28 47 28.41
   top-right ............. RA: 13 41 00.159  Dec: +28 59 02.43
   bottom-left ........... RA: 13 47 49.022  Dec: +27 37 24.71
   bottom-right .......... RA: 13 40 25.303  Dec: +27 48 51.15