Uploaded by

BAA Comet Section

Observer

dbartlett

Observed

2024 Oct 24 - 00:00

Uploaded

2025 Jan 15 - 22:53

Objects

C/2023 A3 (Tsuchinshan-ATLAS)

Planetarium overlay

Constellation

Ophiuchus

Field centre

RA: 17^h34^m
Dec: +04°41'
Position angle: -2°55'

Field size

15° × 7°

Full filename

2023a3/2023a3_20241024_dbartlett.jpg

Target name

C/2023 A3 (Tsuchinshan-ATLAS)

Title

Observational Notes: scope: Samyang 135mm fl135mm F/2.4 camera:asi2600mcP exposures: R to L; Panel1 36 x 45 sec, panel2 29 x45sec, panel3 24 x 45 sec, Seeing: 4/5 Transparency: 9/10 Observer: DEBartlett Place: JuneLake_California USA (Altitude +7800ft) Image Info (all ): (All images processed solely using PixInsight) Projection ............... Stereographic Projection origin ........ [4603.288907 2281.530593] px -> [RA: 17 34 40.488 Dec: +4 41 45.20] Resolution ............... 5.986 arcsec/px Rotation ................. -2.939 deg Reference system ......... ICRS Observation start time ... 2024-10-25 02:29:59 UTC Geodetic coordinates ..... 119 04 46 W 37 46 30 N 2357 m Focal distance ........... 129.57 mm Pixel size ............... 3.76 um Field of view ............ 15d 18' 29.2" x 7d 35' 12.2" Image center ............. RA: 17 34 40.488 Dec: +4 41 45.20 ex: +0.127070 px ey: +0.034667 px Image bounds: top-left .............. RA: 18 04 43.452 Dec: +8 49 21.58 ex: -1.151958 px ey: -1.560385 px top-right ............. RA: 17 03 06.010 Dec: +8 02 28.75 ex: +1.565911 px ey: -1.199071 px bottom-left ........... RA: 18 05 56.457 Dec: +1 15 33.46 ex: -1.344157 px ey: +0.047899 px bottom-right .......... RA: 17 04 58.780 Dec: +0 29 15.33 ex: +0.515919 px ey: +0.022086 px