C/2017 K2 (PANSTARRS) 2022-Jul-03 Dan Bartlett

I really worked the processing to bring out the dusty Ophiuchus Starfield. Also used the generalized hyperbolic stretch in pixInsight to maintain the comet core details without blowing out the comet core. Full resolution can be found here https://astrob.in/hilhcq/0/

Observational details:
scope: 279mm x 618mmfl F/2.2
camera: asi 2600mcP
subs: 103 x 90sec stacked
June Lake California, USA
DEBartlett

Image details for both:

WCS transformation ....... Linear
Projection ............... Gnomonic
Projection origin ........ [1479.004556 2158.063957] px -> [RA: 17 21 11.509 Dec: +1 32 58.12]
Resolution ............... 1.673 arcsec/px
Rotation ................. -2.709 deg
Reference system ......... ICRS
Observation start time ... 2022-07-03 08:17:20 UTC
Focal distance ........... 618.21 mm
Pixel size ............... 5.01 um
Field of view ............ 1d 22' 27.5" x 2d 0' 18.9"
Image center ............. RA: 17 21 11.509 Dec: +1 32 58.23
Image bounds:
top-left .............. RA: 17 23 45.019 Dec: +2 34 59.89
top-right ............. RA: 17 18 15.306 Dec: +2 31 05.61
bottom-left ........... RA: 17 24 07.550 Dec: +0 34 49.94
bottom-right .......... RA: 17 18 38.148 Dec: +0 30 55.88

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