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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 2020.05.11 14:04:33

NET Gaia DR2

    CK19Y010  C2020 05 04.88464 07 28 42.05 +81 59 57.3          14.3 R      B96

    CK19Y010  C2020 05 04.89596 07 29 10.05 +81 59 31.4          14.7 G      B96

    CK19Y010  C2020 05 04.90623 07 29 35.20 +81 59 06.7          14.8 G      B96

----- end -----

Comet C/2019 Y4 (ATLAS) - 5 may 2020

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

http://cara.uai.it

Photometric data obtained from FOCAS-II software

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/2019 Y4     05/05/2020 20:58:24  15.17  14.08  13.42  12.96  12.61  12.33  13.8  16.9  B96

C/2019 Y4     05/05/2020 20:58:24*  0.01   0.02   0.02   0.02   0.02   0.02     7   3.3  Gai

                                                                     AFRHO         LOG

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

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

C/2019 Y4     05/05/2020 20:58:24    0.90   0.77  30.62  13.39   14     21     1  1.312  B96

FoCAs 3.66

www.astrosurf.com/cometas-obs

es.groups.yahoo.com/group/Cometas_Obs

Afρ parameter according CARA-Approach

Afρ [cm] vs. core distance (in km) - image with Bessel R filter

Comet C/2019 Y4 (ATLAS) - Orbit - The Sky Live