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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 2020.04.09 01:35:40

NET Gaia DR2

    CK19Y04b  C2020 04 08.88047 07 01 33.93 +67 30 35.2          15.0 G      B96

    CK19Y04b  C2020 04 08.88141 07 01 33.72 +67 30 33.5          15.1 G      B96

    CK19Y04b  C2020 04 08.88235 07 01 33.28 +67 30 33.5          15.1 G      B96

    CK19Y04b  C2020 04 08.88329 07 01 32.90 +67 30 33.1          15.1 G      B96

    CK19Y04b  C2020 04 08.88814 07 01 31.32 +67 30 29.6          15.0 G      B96

    CK19Y04b  C2020 04 08.88907 07 01 30.83 +67 30 28.8          15.0 G      B96

    CK19Y04b  C2020 04 08.89000 07 01 30.68 +67 30 28.4          15.0 G      B96

    CK19Y04b  C2020 04 08.89094 07 01 30.05 +67 30 27.7          15.0 G      B96

    CK19Y04b  C2020 04 08.89188 07 01 29.89 +67 30 27.1          15.2 G      B96

    CK19Y04b  C2020 04 08.89280 07 01 29.57 +67 30 26.6          15.0 G      B96

    CK19Y04b  C2020 04 08.89654 07 01 28.20 +67 30 23.1          15.0 G      B96

    CK19Y04b  C2020 04 08.89748 07 01 27.86 +67 30 22.5          15.1 G      B96

    CK19Y04b  C2020 04 08.89841 07 01 27.51 +67 30 22.0          15.1 G      B96

    CK19Y04b  C2020 04 08.89935 07 01 27.02 +67 30 21.3          15.1 G      B96

    CK19Y04b  C2020 04 08.90028 07 01 26.91 +67 30 20.7          15.1 G      B96

    CK19Y04b  C2020 04 08.90402 07 01 25.33 +67 30 17.8          15.0 G      B96

    CK19Y04b  C2020 04 08.90775 07 01 24.00 +67 30 15.2          15.1 G      B96

----- end -----

Comet C/2019 Y4 (ATLAS) - 8 april 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 Y4b    08/04/2020 21:28:09  14.26  13.15  12.59  12.20  11.90  11.67   8.6  17.1  B96

C/2019 Y4b    08/04/2020 21:28:09*  0.02   0.06   0.07   0.06   0.06   0.06    29   3.2  Gai

                                                                     AFRHO         LOG

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

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

C/2019 Y4b    08/04/2020 21:28:09    1.02   1.33  27.05  12.77    9    137    16  2.136  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