Uploaded by

BAA Comet Section

Observer

dbartlett

Observed

2025 Apr 18 - 00:00

Uploaded

2025 Apr 27 - 05:30

Objects

C/2025 F2

Planetarium overlay

Constellation

Andromeda

Field centre

RA: 00^h51^m
Dec: +33°53'
Position angle: +157°51'

Field size

2°08' × 1°27'

Full filename

2025f2/2025f2_20250418_dbartlett.jpg

Target name

C/2025 F2

Title

Observational details: Backyard setup scope: C14 D = 356mm; fl =729mm; F# 2 camera: asi 6200mcP exposure: 39 x15 sec Seeing: 4/5 Transparency: 6/10 Seeing - Moonlight Observer: DEBartlett Location: June Lake, California, USA Image Info (Cropped Closeup ): Projection ............... Gnomonic Projection origin ........ [995.748620 1215.503804] px -> [RA: 0 52 22.137 Dec: +33 42 45.55] Resolution ............... 1.065 arcsec/px Rotation ................. -157.461 deg (flipped) Reference system ......... ICRS Observation start time ... 2025-04-18 12:07:37 UTC Observation end time ..... 2025-04-18 12:07:52 UTC Geodetic coordinates ..... 119 04 46 W 37 46 51 N 2434 m Focal distance ........... 728.00 mm Pixel size ............... 3.76 um Field of view ............ 35' 22.1" x 43' 9.8" Image center ............. RA: 0 52 22.137 Dec: +33 42 45.56 ex: -0.000883 px ey: -0.000328 px Image bounds: top-left .............. RA: 0 54 20.245 Dec: +33 29 32.36 ex: -1.114760 px ey: -1.109052 px top-right ............. RA: 0 51 44.030 Dec: +33 16 04.34 ex: +1.346270 px ey: -1.699844 px bottom-left ........... RA: 0 53 00.447 Dec: +34 09 26.76 ex: -1.399126 px ey: +1.422081 px bottom-right .......... RA: 0 50 23.084 Dec: +33 55 52.82 ex: +2.048803 px ey: +1.133597 px Image Info (WideField) Down sampled 2x2 (CMOS = BIN 2x2) (All images processed solely using PixInsight) Projection ............... Gnomonic Projection origin ........ [4697.556990 3068.586890] px -> [RA: 0 50 48.701 Dec: +33 54 30.26] Resolution ............... 2.128 arcsec/px Rotation ................. -157.259 deg (flipped) Reference system ......... ICRS Observation start time ... 2025-04-18 12:07:37 UTC Observation end time ..... 2025-04-18 12:07:52 UTC Geodetic coordinates ..... 119 04 46 W 37 46 51 N 2434 m Focal distance ........... 728.61 mm Pixel size ............... 3.76 um Field of view ............ 2d 46' 41.4" x 1d 48' 51.3" Image center ............. RA: 0 50 48.701 Dec: +33 54 30.26 ex: -0.003303 px ey: -0.003265 px Image bounds: top-left .............. RA: 0 58 37.812 Dec: +33 35 33.17 ex: -1.722049 px ey: -1.419603 px top-right ............. RA: 0 46 26.367 Dec: +32 32 09.64 ex: +0.590926 px ey: -1.940642 px bottom-left ........... RA: 0 55 19.491 Dec: +35 16 10.27 ex: -1.411344 px ey: +1.437197 px bottom-right .......... RA: 0 42 56.637 Dec: +34 11 28.09 ex: +0.282458 px ey: +1.265155 px