2020v2 20230123 0422 dbartlett

The "Other" Zwicky Green Comet, C/2020 V2 (ZTF), 2023-01-23
Over three hours captured on 10th magnitude C/2020 V2 (ZTF) as it traveled through the rich starfield of Cassiopeia.  The starless version hints at a plasma tail if you are willing to sleuth for it. 

Observational details:
Backyard setup
scope: C11 RASA D = 279mm; fl =618mm; F# 2.2
camera: asi 2600mcP
exposure: 95 x120 sec
Seeing: 4/5
Transparency: 9/10
Observer: DEBartlett
Location: June Lake, California, USA

Image details (both):
WCS transformation ....... Linear
Projection ............... Gnomonic
Projection origin ........ [1256.000000 959.000000] px -> [RA:  1 27 41.093  Dec: +62 08 41.12]
Resolution ............... 2.504 arcsec/px
Rotation ................. 0.025 deg
Reference system ......... ICRS
Observation start time ... 2023-01-24 04:22:40 UTC
Observation end time ..... 2023-01-24 04:24:40 UTC
Geodetic coordinates ..... 119 04 46 W  37 46 30 N  2357 m
Focal distance ........... 619.46 mm
Pixel size ............... 7.52 um
Field of view ............ 1d 44' 50.9" x 1d 20' 3.3"
Image center ............. RA:  1 27 41.093  Dec: +62 08 41.12
Image bounds:
   top-left .............. RA:  1 35 20.003  Dec: +62 47 54.77
   top-right ............. RA:  1 20 02.271  Dec: +62 47 55.79
   bottom-left ........... RA:  1 35 00.149  Dec: +61 27 55.65
   bottom-right .......... RA:  1 20 21.947  Dec: +61 27 56.64
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Page last updated: Sat 20 Jul 08:47:14 BST 2024