22P/Kopff 2022-Nov-24 Dan Bartlett

22P/ Kopff in the constellation of Cetus

Observational details:
Backyard setup
scope: C11 RASA D = 279mm; fl =618mm; F# 2.2
camera: asi 2600mcP
exposure: 97 x45 sec
Seeing: 4/5
Transparency: 8/10
Observer: DEBartlett
Location: June Lake, California, USA

Image Details of Full both full fields:
Projection ............... Gnomonic
Projection origin ........ [968.940047 1344.206118] px -> [RA: 0 46 21.716 Dec: -1 58 50.52]
Resolution ............... 2.508 arcsec/px
Rotation ................. 0.882 deg
Reference system ......... ICRS
Observation start time ... 2022-11-25 06:52:58 UTC
Observation end time ..... 2022-11-25 06:53:43 UTC
Geodetic coordinates ..... 119 04 46 W 37 46 51 N 2360 m
Focal distance ........... 618.26 mm
Pixel size ............... 7.52 um
Field of view ............ 1d 21' 0.8" x 1d 52' 21.9"
Image center ............. RA: 0 46 21.716 Dec: -1 58 50.53 ex: -0.001213 px ey: +0.002772 px
Image bounds:
top-left .............. RA: 0 49 07.270 Dec: -1 03 15.71 ex: +0.000328 px ey: +0.000007 px
top-right ............. RA: 0 43 43.211 Dec: -1 02 00.84 ex: +0.000138 px ey: -0.000420 px
bottom-left ........... RA: 0 49 00.427 Dec: -2 55 38.57 ex: -0.003727 px ey: +0.001153 px
bottom-right .......... RA: 0 43 35.912 Dec: -2 54 22.88 ex: +0.001093 px ey: +0.000880 px

Negative Starless image:
Resolution ............... 1.254 arcsec/px
Rotation ................. 0.882 deg
Width of Field ............ 1d 21' 0.8"

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