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Comet 49P/AREND-RIGAUX  - 6 march 2025

Astrometry 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

    49P|           |        | CCD|B96 |2025-03-06T18:54:46Z   | 37.85691  | +2.62658  |0.16 |0.22  |   Gaia2|15.2 |0.08  |   R|   Gaia2| 5.6  |1.40  |3.5   |  90|0.26  |   157|     |

    49P|           |        | CCD|B96 |2025-03-06T19:05:54Z   | 37.86195  | +2.62939  |0.18 |0.25  |   Gaia2|15.3 |0.07  |   R|   Gaia2| 5.6  |1.44  |3.7   |  90|0.28  |   156|     |

    49P|           |        | CCD|B96 |2025-03-06T19:17:02Z   | 37.86711  | +2.63239  |0.19 |0.24  |   Gaia2|15.2 |0.07  |   R|   Gaia2| 5.6  |1.43  |3.7   |  90|0.27  |   157|     |

Photometry by use of KOPR-software (ICQ format)

ICQ Code:

 49        2025 03 06.80  k 14.4 AR 40.0L 3A170   0.8               ICQ XX BRY04I     C 0.76mST0 K6F KPR 0 U9*0.01       1.2s 1.2 ;

CometObs format:

49P/Arend-Rigaux:

2025  Mar.  06.80  UT: m1=14.4 CCD-R, Dia.=0.8', 40.0-cm Newtonian reflector .(Erik Bryssinck, BRIXIIS Observatory)

Magnitude and Af(rho) plot according KOPR software - blue triangles= Af(rho) and red dots = magnitude vs coma diameter

Af(rho) parameter according CARA-approach

Af(rho) parameter vs. core distance - data obtained from Bessel-R photometric filtered CCD-image