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Comet C/2017 K2 (PANSTARRS) -  13 jan. 2025

Photometric data obtained from FOCAS-II software

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

       |C/2017 K2  |        | CCD|B96 |2025-01-13T21:09:20Z   | 84.22104  |+21.68728  |2.11 |2.12  |   Gaia2|16.0 |0.17  |   R|   Gaia2| 5.6  |0.80  |3.5   | 120|0.29  |  1168|     |

       |C/2017 K2  |        | CCD|B96 |2025-01-13T21:18:45Z   | 84.22055  |+21.68638  |0.87 |0.88  |   Gaia2|17.0 |0.50  |   R|   Gaia2| 5.6  |0.25  |3.5   | 120|0.30  |  1173|     |

       |C/2017 K2  |        | CCD|B96 |2025-01-13T21:28:10Z   | 84.21955  |+21.68765  |0.21 |0.27  |   Gaia2|16.5 |0.17  |   R|   Gaia2| 5.6  |0.83  |3.5   | 120|0.29  |  1187|     |

Af(rho) data according CARA approach

Af(rho) plot (vs. core distance in km) obtained from SLOAN r’ filtered CCD-images

Afρ data available by request to the cara-coordinator

Magnitude vs comadiameter + Af(rho) plot obtained from KOPR software