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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 2020.03.19 16:21:36

NET Gaia DR2

    CK19Y040  C2020 03 17.84067 09 37 43.51 +66 36 16.6          13.8 G      B96

    CK19Y040  C2020 03 17.84719 09 37 41.03 +66 36 23.6          13.8 G      B96

    CK19Y040  C2020 03 17.85207 09 37 39.02 +66 36 29.6          13.8 G      B96

    CK19Y040  C2020 03 17.86347 09 37 34.44 +66 36 42.4          13.8 G      B96

----- end -----

Comet C/2019 Y4 (ATLAS) -  17 march. 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     17/03/2020 20:24:38  13.40  12.57  12.17  11.92  11.73  11.57  25.0  18.1  B96

C/2019 Y4     17/03/2020 20:24:38*  0.02   0.02   0.01   0.00   0.00   0.00     3   3.5  Gai

                                                                     AFRHO         LOG

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

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

C/2019 Y4     17/03/2020 20:24:38    1.10   1.72  25.00  12.41   25    378    15  2.577  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