Super Widefield (6 x 10deg) of Comet 12P/ Pons-Brooks morning of Feb 11, 2024 (Dan Bartlett)

Celestial hemisphere: Northern · Constellation: Lacerta (Lac) · Contains: Solar system body or event

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Super Widefield (6 x 10deg) of Comet 12P/ Pons-Brooks morning of Feb 11, 2024

Powered byPixInsight

Super Widefield (6 x 10deg) of Comet 12P/ Pons-Brooks morning of Feb 11, 2024

Piggyback morning session from unpublished data shows a fairly long tail. I've stretched the data as much as possible under the waving distortive sky conditions. SEE MY FIRST REVISION to see the atmospheric difficulties.

Observational details:
Backyard setup
scope: Rokinon = 135mmfl
exposure: 21 x 90 sec
Seeing: 3/5
Transparency 5/10
Observer: DEBartlett
Place: June Lake_California USA

Image Info (standard images):
WCS transformation ....... Linear
Projection ............... Gnomonic
Projection origin ........ [1203.646817 713.320479] px -> [RA: 22 08 12.979 Dec: +39 14 57.56]
Resolution ............... 15.283 arcsec/px
Rotation ................. -1.127 deg
Reference system ......... ICRS
Observation start time ... 2024-02-11 12:41:02 UTC
Observation end time ..... 2024-02-11 13:50:36 UTC
Geodetic coordinates ..... 119 04 46 W 37 46 51 N 2360 m
Focal distance ........... 129.03 mm
Pixel size ............... 9.56 um
Field of view ............ 10d 13' 6.2" x 6d 3' 28.9"
Image center ............. RA: 22 08 13.178 Dec: +39 14 54.86
Image bounds:
top-left .............. RA: 22 35 19.939 Dec: +42 09 29.05
top-right ............. RA: 21 40 25.779 Dec: +41 58 41.81
bottom-left ........... RA: 22 33 47.452 Dec: +36 08 18.49
bottom-right .......... RA: 21 43 23.551 Dec: +35 58 43.56

Original
B
C
Final
D

Comets Imaging

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Status	Advanced success
Started	...
Astrometry.net job	9286215
PixInsight job	6DAYDPXWQBUR0PBN26Z3YLFGP2HXCWSS
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	22h08m10s.9
RA (top/left)	22h35m18s.8
RA (top/right)	21h40m33s.5
RA (bottom/right)	21h43m24s.2
RA (bottom/left)	22h33m54s.1

Dec (center)	+39°14′51″
Dec (top/left)	+42°09′03″
Dec (top/right)	+41°58′01″
Dec (bottom/right)	+35°58′43″
Dec (bottom/left)	+36°06′50″

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Super Widefield (6 x 10deg) of Comet 12P/ Pons-Brooks morning of Feb 11, 2024

Super Widefield (6 x 10deg) of Comet 12P/ Pons-Brooks morning of Feb 11, 2024

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Super Widefield (6 x 10deg) of Comet 12P/ Pons-Brooks morning of Feb 11, 2024

Super Widefield (6 x 10deg) of Comet 12P/ Pons-Brooks morning of Feb 11, 2024

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