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Comet C/2023 A3 (TSUCHINSHAN-ATLAS)- 31 oct. 2024

Af(rho) data according the CARA-approach is available via request to CARA-coordinator

http://cara.uai.it

Astrometric data for minor planet center (ADES format)

permID |provID     |trkSub  |mode|stn |obsTime                |ra         |dec        |rmsRA|rmsDec|astCat  |mag  |rmsMag|band|photCat |photAp|logSNR|seeing|exp |rmsFit|nStars|notes|remarks

       |C/2023 A3  |        | CCD|B96 |2024-11-12T18:24:33Z   |279.14647  | +4.00178  |0.39 |0.41  |   Gaia2| 8.9 |0.08  |   R|   Gaia2| 5.6  |2.07  |3.4   |  60|0.54  |   600|     |

       |C/2023 A3  |        | CCD|B96 |2024-11-12T18:35:45Z   |279.15102  | +4.00205  |0.25 |0.35  |   Gaia2|10.3 |0.07  |   G|   Gaia2| 5.6  |2.09  |3.9   |  60|0.39  |  1599|     |

       |C/2023 A3  |        | CCD|B96 |2024-11-12T18:39:50Z   |279.15266  | +4.00208  |0.24 |0.35  |   Gaia2|10.2 |0.08  |   G|   Gaia2| 5.6  |2.16  |3.7   |  60|0.41  |  1581|     |

       |C/2023 A3  |        | CCD|B96 |2024-11-12T18:45:38Z   |279.15495  | +4.00217  |0.23 |0.35  |   Gaia2|10.1 |0.07  |   G|   Gaia2| 5.6  |2.13  |3.6   |  60|0.41  |  1227|     |

Af(rho) parameter according CARA-approach

Af(rho vs. core distance - data obtained from R-filtered CCD-image

ICQ-format - photometry:

ICQ Code:

   2023A3  2024 10 31.72  k  6.4 AR 40.0L 3a300   7.7               ICQ XX BRY04I     C 7.72mST0 K6F KPR 2 U9*0.02       1.2s 1.2 ;

Comet Alt.:34.1

CometObs format:

C/2023 A3 (Tsuchinshan-ATLAS):

2024  Oct.  31.72  UT: m1= 6.4 CCD-R, Dia.=7.7', 40.0-cm Newtonian reflector .

[Comet Alt.:34.1]

 (Erik Bryssinck, BRIXIIS)