C/2022 U2 ATLAS from 2023-01-21 I've included two full-scale 1.251"/pix scale starless images for a change. Do they hint at a small tail??? Observational details: Backyard setup scope: C11 RASA D = 279mm; fl =618mm; F# 2.2 camera: asi 2600mcP exposure: 113 x45 sec Seeing: 4/5 Transparency: 8/10 Observer: DEBartlett Location: June Lake, California, USA Image Details: Starless Full-scale: Resolution ............... 1.252 arcsec/px Rotation ................. 0.081 deg Observation start time ... 2023-01-21 06:17:47 UTC Focal distance ........... 619.32 mm Pixel size ............... 3.76 um HalfScale WCS transformation ....... Linear Projection ............... Gnomonic Projection origin ........ [1377.500029 877.499993] px -> [RA: 3 15 14.262 Dec: +68 36 54.24] Resolution ............... 2.504 arcsec/px Rotation ................. 0.081 deg Reference system ......... ICRS Observation start time ... 2023-01-21 06:17:47 UTC Observation end time ..... 2023-01-21 06:18:32 UTC Geodetic coordinates ..... 119 04 46 W 37 46 30 N 2357 m Focal distance ........... 619.33 mm Pixel size ............... 7.52 um Field of view ............ 1d 54' 59.9" x 1d 13' 15.4" Image center ............. RA: 3 15 14.262 Dec: +68 36 54.24 Image bounds: top-left .............. RA: 3 26 02.728 Dec: +69 12 10.85 top-right ............. RA: 3 04 26.782 Dec: +69 12 20.47 bottom-left ........... RA: 3 25 27.420 Dec: +67 59 00.87 bottom-right .......... RA: 3 05 00.029 Dec: +67 59 10.00 |
Page last updated: Fri 12 May 07:10:16 BST 2023