Actually a surprise to see a dusty rich field as well as comet much brighter than I expected. Comet is just past Perihelion on Oct 29, 2022 (2.4 AU) and relatively close to us @ 1.5A.U. when I used 17 x 120second lights to stack on a high clouded night. This a 15th magnitude that appears somewhat brighter to my untrained mind. Observational details: Backyard setup scope: C11 RASA D = 279mm; fl =618mm; F# 2.2 camera: asi 2600mcP exposure: 17 x 120 sec Seeing: 4/5 Transparency: 6/10 Observer: DEBartlett Location: June Lake, California, USA Image Details: Projection ............... Gnomonic Projection origin ........ [1042.541665 1439.966706] px -> [RA: 2 07 33.104 Dec: +24 05 25.54] Resolution ............... 2.509 arcsec/px Rotation ................. 0.814 deg Reference system ......... ICRS Observation start time ... 2022-11-22 07:57:53 UTC Observation end time ..... 2022-11-22 07:59:53 UTC Geodetic coordinates ..... 119 04 46 W 37 46 51 N 2360 m Focal distance ........... 618.26 mm Pixel size ............... 7.52 um Field of view ............ 1d 27' 11.0" x 2d 0' 25.5" Image center ............. RA: 2 07 33.104 Dec: +24 05 25.54 ex: +0.000162 px ey: -0.000471 px Image bounds: top-left .............. RA: 2 10 49.464 Dec: +25 04 53.72 ex: -0.000043 px ey: +0.001701 px top-right ............. RA: 2 04 24.325 Dec: +25 06 08.82 ex: +0.011064 px ey: -0.005907 px bottom-left ........... RA: 2 10 38.877 Dec: +23 04 28.24 ex: +0.001264 px ey: +0.003661 px bottom-right .......... RA: 2 04 19.808 Dec: +23 05 42.25 ex: -0.000008 px ey: +0.000652 px |
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