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Comet C/2022 QE78 (ATLAS) - 14 april 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

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

       |C/2022 QE78|        | CCD|B96 |2025-04-14T20:35:20Z   | 97.48778  |+14.41542  |1.16 |1.18  |   Gaia2|15.6 |0.12  |   R|   Gaia2| 5.6  |1.03  |4.0   | 120|0.31  |  2605|     |

       |C/2022 QE78|        | CCD|B96 |2025-04-14T20:44:45Z   | 97.48912  |+14.41561  |0.72 |0.74  |   Gaia2|15.6 |0.10  |   R|   Gaia2| 5.6  |1.11  |3.7   | 120|0.31  |  2959|     |

       |C/2022 QE78|        | CCD|B96 |2025-04-14T20:54:10Z   | 97.48988  |+14.41591  |0.36 |0.40  |   Gaia2|16.0 |0.09  |   R|   Gaia2| 5.6  |1.23  |3.4   | 120|0.30  |  2970|     |

Photometric data obtained from KOPR software:

ICQ Code:

   2022QE782025 04 14.86  k 15.1 AR 40.0L 3A080   0.5               ICQ XX BRY04I     C 0.52mST0 K6F KPR 0 U9*0.03       1.2s 1.2

CometObs format:

C/2022 QE78 (ATLAS):

2025  Apr.  14.86  UT: m1=15.1 CCD-R, Dia.=0.5', 40.0-cm Newtonian reflector . (Erik Bryssinck, BRIXIIS Observatory)

Af(rho-parameter according CARA-approach

Af(rho) [cm] vs core distance [km]