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Comet C/2025 K1 (ATLAS) - 28 dec. 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|photCat |photAp|logSNR|seeing|exp |rmsFit|nStars|notes|remarks

       |C/2025 K1  |        | CCD|B96 |2025-12-28T19:26:05Z   | 14.32207  |+39.43336  |0.90 |0.92  |   Gaia3|17.5 |0.13  |  Gr|   R|   Gaia3| 5.6  |0.99  |3.5   | 600|0.37  |  1040|K    |

       |C/2025 K1  |        | CCD|B96 |2025-12-28T19:37:52Z   | 14.32223  |+39.42986  |0.69 |0.71  |   Gaia3|18.8 |0.29  |  Gr|   R|   Gaia3| 5.6  |0.54  |3.8   | 600|0.33  |   837|K    |

       |C/2025 K1-C|        | CCD|B96 |2025-12-28T19:14:18Z   | 14.32826  |+39.43852  |0.40 |0.43  |   Gaia3|18.2 |0.19  |  Gr|   R|   Gaia3| 5.6  |0.75  |3.6   | 600|0.31  |   869|K    |

       |C/2025 K1-C|        | CCD|B96 |2025-12-28T19:37:52Z   | 14.32729  |+39.43078  |0.29 |0.34  |   Gaia3|17.9 |0.13  |  Gr|   R|   Gaia3| 5.6  |0.96  |3.8   | 600|0.33  |   837|K    |

       |C/2025 K1  |        | CCD|B96 |2025-12-28T19:14:18Z   | 14.32266  |+39.43760  |1.69 |1.70  |   Gaia3|18.1 |0.18  |  Gr|   R|   Gaia3| 5.6  |0.79  |3.6   | 600|0.31  |   869|K    |

Af(rho) parameter according CARA-approach

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

ICQ-format - photometry:

ICQ Code:

CometObs format: