2022e3 20221225 dbartlett

C/2022 E3 (ZTF) from Xmas morning 2022_12_25.   

Observational details:
Backyard setup
scope: C11 RASA D = 279mm; fl =618mm; F# 2.2
camera: asi 2600mcP
exposure: 66 x90 sec
Seeing: 4.5/5
Transparency: 9/10
Observer: DEBartlett
Location: June Lake, California, USA

Image Info (both):
WCS transformation ....... Linear
Projection ............... Gnomonic
Projection origin ........ [1023.001852 1346.000404] px -> [RA: 15 52 00.555  Dec: +29 21 58.78]
Resolution ............... 2.509 arcsec/px
Rotation ................. 2.819 deg
Reference system ......... ICRS
Observation start time ... 2022-12-25 12:52:22 UTC
Observation end time ..... 2022-12-25 12:53:52 UTC
Geodetic coordinates ..... 119 04 46 W  37 46 30 N  2357 m
Focal distance ........... 618.02 mm
Pixel size ............... 7.52 um
Field of view ............ 1d 25' 33.7" x 1d 52' 34.6"
Image center ............. RA: 15 52 00.555  Dec: +29 21 58.78
Image bounds:
   top-left .............. RA: 15 55 31.188  Dec: +30 15 54.57
   top-right ............. RA: 15 48 55.316  Dec: +30 20 09.58
   bottom-left ........... RA: 15 55 02.292  Dec: +28 23 32.28
   bottom-right .......... RA: 15 48 33.621  Dec: +28 27 42.67