C2023_A3_Tsuchinshan_ATLAS_C14Hyperstar_asi6200mcP_23x60sec_26x60sec_2024_11_03190045local_JuneLake_California_USA_DEBartlett As comet C/2023 A3 Tsuchinshan-ATLAS becomes fainter a larger scope is required for this 2xpanel mosaic. Notes: 1. Much of the previous structural details is absent from the previous November 01 image. 2. The comet is becoming increasingly fainter noticeably so in binoculars. 3. A C14 SCT in a hyperstar configuration with a full frame sensor was employed. 4. SPCC was used for color calibration and I indulged in color saturation. ???????5. About five degrees of tail length could be traced with a pair of 18x50 IS binos. Observational Notes: scope: C14 fl729mm F/2 image: panel1: 23x60sec panel2: 26x60sec Seeing: 3.5/5 Transparency: 6/10 intermittent Clouds Observer: DEBartlett Place: JuneLake California USA (Altitude +2357m) Image Info (all ): Down sampled 2x2 (CMOS = BIN 2x2) (All images processed solely using PixInsight) Panel1: Projection ............... Gnomonic Projection origin ........ [2316.913228 1481.439857] px -> [RA: 18 15 27.617 Dec: +4 06 32.86] Resolution ............... 2.123 arcsec/px Rotation ................. -3.120 deg Reference system ......... ICRS Observation start time ... 2024-11-04 02:04:42 UTC Observation end time ..... 2024-11-04 03:01:46 UTC Geodetic coordinates ..... 119 04 46 W 37 46 51 N 2360 m Focal distance ........... 730.46 mm Pixel size ............... 7.52 um Field of view ............ 2d 44' 0.2" x 1d 44' 51.8" Image center ............. RA: 18 15 27.617 Dec: +4 06 32.86 ex: +0.044832 px ey: -0.022216 px Image bounds: top-left .............. RA: 18 20 43.797 Dec: +5 03 02.46 ex: -1.004635 px ey: -1.279918 px top-right ............. RA: 18 09 48.848 Dec: +4 54 07.20 ex: +0.019201 px ey: -1.098884 px bottom-left ........... RA: 18 21 05.665 Dec: +3 18 44.59 ex: -1.585810 px ey: +0.053915 px bottom-right .......... RA: 18 10 12.064 Dec: +3 09 52.12 ex: -0.075071 px ey: -0.167252 px |
Page last updated: Wed 6 Nov 22:08:53 GMT 2024