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Comet C/2021 S3 (PANSTARRS) - 3 may 2024

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

http://cara.uai.it

Observations of comet C/2021 S3 (PANSTARRS) with my 0.4-m f/3.8 AG16 Orion Optics telescope with clear filter en Bessel-R filter.

Af(rho) data according CARA project

Af(rho) data obtained from photometric Bessel-R filtered 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 S3  |        | CCD|B96 |2024-05-03T23:05:10Z   |305.59416  |+44.63968  |0.18 |0.26  |   Gaia2|13.2 |0.07  |   R|   Gaia2| 5.6  |2.09  |3.2   | 0.1|0.31  |  2478|     |

       |C/2021 S3  |        | CCD|B96 |2024-05-03T23:12:14Z   |305.59564  |+44.64251  |0.18 |0.26  |   Gaia2|13.2 |0.07  |   R|   Gaia2| 5.6  |1.99  |3.5   | 0.1|0.31  |  2332|     |

       |C/2021 S3  |        | CCD|B96 |2024-05-03T23:19:18Z   |305.59704  |+44.64516  |0.18 |0.28  |   Gaia2|13.2 |0.07  |   R|   Gaia2| 5.6  |2.03  |3.6   | 0.1|0.32  |  2447|     |

ICQ-format:

ICQ Code:

   2021S3  2024 05 03.97  k 11.3 AR 40.0L 3a840   2.4               ICQ XX BRY04I     C 2.40mST0 K6F KPR 2 U7*0.01       1.2s 1.2 ;Comet Alt.:32.7 Calculated mags:11.3,11.3,11.3,11.2,11.3,11.3,11.3,11.3,11.2,11.2,11.3,11.3,11.3,11.2

CometObs format:

C/2021 S3 (PANSTARRS):

2024  May  03.97  UT: m1=11.3 CCD-R, Dia.=2.4', 40.0-cm Newtonian reflector .

[Comet Alt.:32.7 Calculated mags:11.3,11.3,11.3,11.2,11.3,11.3,11.3,11.3,11.2,11.2,11.3,11.3,11.3,11.2

] (Erik Bryssinck, BRIXIIS)