C/2023 P1 (Nishimura) 2023-Sep-08 Dan Bartlett

This is the R band image.

Big write-up on the ASTROBIN account (seen here) so I'll spare the reader.

Along with the stacked 9 minute usual and inverted images, I've Included here are sample images of individual R, G, B channels for one 30 second sub centered on 05:03.24 local time at full resolution

Observational details:
Travel setup
scope: RASA11 D = 279mm; fl =617mm; F# 2.2
camera: asi 6200mcP
exposure: 18 x30 sec
Seeing: 4/5
Transparency: 9.5/10
Observer: DEBartlett
Location: June Lake, California, USA

Image Info (Standard & Inverted):
Projection ............... Gnomonic
Projection origin ........ [774.347009 1189.660922] px -> [RA: 10 06 50.252 Dec: +23 36 37.30]
Resolution ............... 5.039 arcsec/px
Rotation ................. -74.237 deg
Reference system ......... ICRS
Observation start time ... 2023-09-08 12:13:49 UTC
Observation end time ..... 2023-09-08 12:14:19 UTC
Geodetic coordinates ..... 119 04 46 W 37 46 51 N 2360 m
Focal distance ........... 615.68 mm
Pixel size ............... 15.04 um
Field of view ............ 2d 9' 44.8" x 3d 19' 16.9"
Image center ............. RA: 10 06 50.231 Dec: +23 36 37.51 ex: +0.073267 px ey: -0.090300 px
Image bounds:
top-left .............. RA: 10 01 03.440 Dec: +25 06 24.69 ex: -0.179345 px ey: -0.056041 px
top-right ............. RA: 9 58 35.506 Dec: +23 01 30.30 ex: -0.085027 px ey: -0.123890 px
bottom-left ........... RA: 10 15 10.185 Dec: +24 09 56.81 ex: +0.031180 px ey: -0.074053 px
bottom-right .......... RA: 10 12 31.535 Dec: +22 05 28.71 ex: +0.034070 px ey: -0.024543 px

Image Info R, G, B channels
Projection ............... Gnomonic
Projection origin ........ [1543.868118 2371.059408] px -> [RA: 10 06 50.520 Dec: +23 36 35.94]
Resolution ............... 2.527 arcsec/px
Rotation ................. -74.252 deg
Reference system ......... ICRS
Focal distance ........... 604.02 mm
Pixel size ............... 7.40 um
Field of view ............ 2d 10' 8.5" x 3d 19' 53.2"
Image center ............. RA: 10 06 50.554 Dec: +23 36 35.21 ex: +0.153808 px ey: -0.161888 px
Image bounds:
top-left .............. RA: 10 01 03.619 Dec: +25 06 23.90 ex: -0.375060 px ey: -0.083006 px
top-right ............. RA: 9 58 35.764 Dec: +23 01 27.82 ex: -0.161139 px ey: -0.274791 px
bottom-left ........... RA: 10 15 10.643 Dec: +24 09 54.07 ex: +0.112679 px ey: -0.091692 px
bottom-right .......... RA: 10 12 32.003 Dec: +22 05 24.58 ex: +0.092311 px ey: -0.041872 px

Photo info

Popular tags

Random image