Uploaded by

BAA Comet Section

Observer

dbartlett

Observed

2025 Jun 24 - 00:00

Uploaded

2025 Jun 26 - 21:43

Objects

C/2021 G2 (ATLAS)

Planetarium overlay

Constellation

Libra

Field centre

RA: 15^h05^m
Dec: -02°02'
Position angle: -2°30'

Field size

2°41' × 1°48'

Full filename

2021g2/2021g2_20250624_dbartlett.jpg

Target name

C/2021 G2 (ATLAS)

Title

C/2021_G2_ATLAS_C14Hyerstar_ASI6200mcP_9x300sec_2025_06_24_010203local_JuneLake_California_USA_DEBartlett Many imagers of comet C/2021 G2 ATLAS are seeing the same surprisingly modest tail of this comet well past its September 2024 perihelion date. Both the comet's distance from us and the sun are considerable being 4.74AU and 5.45 AU respectably. Observational Info: scope: C14 fl729mm F/2 Camera: asi6200mcP image: 9x300sec Seeing: 4.5/5 Transparency: 7/10 Observer: DEBartlett Place: JuneLake California USA (Altitude +2357m) Image Info (widefield ): Down sampled 2x2 (CMOS = BIN 2x2) Projection ............... Gnomonic Projection origin ........ [4567.935805 3061.950565] px -> [RA: 15 05 45.811 Dec: -2 02 16.54] Resolution ............... 2.126 arcsec/px Rotation ................. -2.532 deg Reference system ......... ICRS Observation start time ... 2025-06-24 07:51:18 UTC Observation end time ..... 2025-06-24 08:41:50 UTC Geodetic coordinates ..... 119 04 46 W 37 46 51 N 2434 m Focal distance ........... 730.71 mm Pixel size ............... 3.76 um Field of view ............ 2d 41' 36.8" x 1d 48' 19.9" Image center ............. RA: 15 05 45.811 Dec: -2 02 16.54 ex: -0.023728 px ey: +0.014188 px Image bounds: top-left .............. RA: 15 10 58.119 Dec: -1 04 46.66 ex: -1.119850 px ey: -1.157286 px top-right ............. RA: 15 00 14.508 Dec: -1 11 52.02 ex: +2.334771 px ey: -1.161867 px bottom-left ........... RA: 15 11 17.278 Dec: -2 52 36.54 ex: -1.882389 px ey: +0.317128 px bottom-right .......... RA: 15 00 32.979 Dec: -2 59 43.92 ex: +1.203180 px ey: +0.239875 px I