The following timelapses show, how much angular distance the comet 46/P Wirtanen makes, when closest to earth. From my data I see approximately a stunning 1° during 4 hours!
Timelapse 1:
85mm photo lens with 1.5x crop sensor
93 exposures, each 60 seconds long (93 min total)
Timelapse 2:
200mm photo lens with full frame sensor
160 exposures, each 90 seconds long (240 min total)
Timelapse 3:
715mm/f7 APO with 1.5x crop sensor
71 exposures, 30 and 60 seconds over 80 min