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Comet C/2021 T4 (LEMMON) - 13 may 2024

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

http://cara.uai.it

Af(rho) parameter according CARA-approach

Af(rho) parameter vs. core distance - data obtained from unfiltered CCD-image

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/2021 T4  |        | CCD|B96 |2024-05-13T20:49:03Z   |181.41340  |+23.03776  |0.20 |0.26  |   Gaia2|18.7 |0.15  |   G|   Gaia2| 5.6  |0.84  |2.9   | 0.1|0.28  |   138|     |

       |C/2021 T4  |        | CCD|B96 |2024-05-13T20:58:28Z   |181.41143  |+23.03808  |0.32 |0.36  |   Gaia2|18.4 |0.11  |   G|   Gaia2| 5.6  |1.00  |3.1   | 0.1|0.29  |   146|     |

       |C/2021 T4  |        | CCD|B96 |2024-05-13T21:07:54Z   |181.40997  |+23.03829  |0.45 |0.49  |   Gaia2|19.2 |0.15  |   G|   Gaia2| 5.6  |0.85  |2.8   | 0.1|0.29  |   134|     |

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