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Comet C/2020 R4 (ATLAS)  -  29 april 2021

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


http://cara.uai.it

Astrometric data for minor planet center


COD B96

CON E. Bryssinck, BRIXIIS Observatory, 9150 Kruibeke , Belgium

OBS E. Bryssinck

MEA E. Bryssinck

TEL 0.4-m f/3.8 reflector + CCD

ACK MPCReport file updated 2021.04.30 10:49:27

NET Gaia DR2

    CK20R040  C2021 04 29.87914 14 11 49.07 +33 13 39.0          13.3 R      B96

    CK20R040  C2021 04 29.88348 14 11 44.57 +33 13 41.4          13.9 G      B96

    CK20R040  C2021 04 29.88770 14 11 40.26 +33 13 42.7          14.0 G      B96

    CK20R040  C2021 04 29.89192 14 11 35.92 +33 13 43.7          13.9 G      B96

    CK20R040  C2021 04 29.89613 14 11 31.54 +33 13 45.0          13.9 G      B96

    CK20R040  C2021 04 29.89993 14 11 27.70 +33 13 45.3          13.9 G      B96

----- end -----

COD B96

OBS BRIXIIS Observatory

CATALOG: Gaia DR2 - BAND: G


                                   10x10  20x20  30x30  40x40  50x50  60x60   SNR   SB   COD

COMET         UTC                    +/-    +/-    +/-    +/-    +/-    +/-     N  FWHM  CAT

------------  -------------------  -----  -----  -----  -----  -----  -----  ----  ----  ---

C/2020 R4     29/04/2021 21:27:14  13.27  12.31  11.82  11.51  11.28  11.10  15.7  18.3  B96

C/2020 R4     29/04/2021 21:27:14*  0.02   0.02   0.02   0.01   0.01   0.01     4   4.1  Gai



                                                                     AFRHO         LOG

COMET         UTC                   DELTA    r    BOX "   MAG   RSR    CM    +/-  AFRHO  OBS

------------  -------------------   -----  -----  -----  -----  ---  -----  ----  -----  ---

C/2020 R4     29/04/2021 21:27:14    0.52   1.41  52.98  11.19   16    173    11  2.237  B96




Afρ parameter according CARA-approach

comet C/2020 R4 (ATLAS), 29 april 2021, Erik Bryssinck