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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 2020.05.07 14:04:33

NET Gaia DR2

    CK19Y040  C2020 05 06.86732 04 55 02.72 +56 55 11.1          15.6 G      B96

    CK19Y040  C2020 05 06.87199 04 55 01.65 +56 55 00.4          15.7 G      B96

    CK19Y040  C2020 05 06.88133 04 54 59.45 +56 54 39.2          15.7 G      B96

    CK19Y040  C2020 05 06.89441 04 54 56.47 +56 54 10.2          15.7 G      B96

----- end -----

Comet C/2019 Y4 (ATLAS) - 6 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     06/05/2020 21:10:11  14.90  13.89  13.26  12.82  12.49  12.22  13.3  16.5  B96

C/2019 Y4     06/05/2020 21:10:11*  0.02   0.01   0.02   0.04   0.03   0.03     5   3.6  Gai

                                                                     AFRHO         LOG

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

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

C/2019 Y4     06/05/2020 21:10:11    0.89   0.75  30.86  13.22   13     22     2  1.349  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