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Comet C/2023 C2 (ATLAS) - 10 aug. 2025

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|fltr|photCat |photAp|logSNR|seeing|exp |rmsFit|nStars|notes|remarks

       |C/2023 C2  |        | CCD|B96 |2025-08-10T22:32:16Z   |352.11645  |+55.65223  |0.28 |0.36  |   Gaia3|16.0 |0.09  |  Gr|   R|   Gaia3| 5.6  |1.40  |3.2   | 120|0.38  |  4986|     |

       |C/2023 C2  |        | CCD|B96 |2025-08-10T22:41:41Z   |352.11501  |+55.65328  |0.28 |0.37  |   Gaia3|15.7 |0.09  |  Gr|   R|   Gaia3| 5.6  |1.52  |3.1   | 120|0.39  |  5043|     |

       |C/2023 C2  |        | CCD|B96 |2025-08-10T22:51:06Z   |352.11345  |+55.65446  |0.26 |0.35  |   Gaia3|15.8 |0.09  |  Gr|   R|   Gaia3| 5.6  |1.45  |2.8   | 120|0.39  |  4946|     |

Photometric data obtained by use of KPR software:

ICQ Code:

   2023C2  2025 08 10.94  k 15.4 AR 40.0L 3A080   0.6               ICQ XX BRY04I     C 0.56mST0 K6F KPR 0 U9*0.02       1.2s 1.2 ;Comet Alt.:60.2

C/2023 C2 (ATLAS):

2025  Aug.  10.94  UT: m1=15.4 CCD-R, Dia.=0.6', 40.0-cm Newtonian reflector .(Erik Bryssinck, BRIXIIS Observatory)

Af(rho) data according CARA approach

Af(rho) vs core distance [km] - data from Bessel-R filtered CCD-image