Comet C/2019 Y4 (ATLAS) - 24 march 2020

Astrometric data for minor planet center

ACK MPCReport file updated 2020.03.25 11:45:12

NET Gaia DR2

CK19Y040 C2020 03 24.87691 08 47 23.12 +68 13 06.4 13.3 G B96

CK19Y040 C2020 03 24.87853 08 47 22.38 +68 13 07.5 13.3 G B96

CK19Y040 C2020 03 24.88016 08 47 21.63 +68 13 08.1 13.3 G B96

CK19Y040 C2020 03 24.88179 08 47 20.84 +68 13 09.0 13.3 G B96

CK19Y040 C2020 03 24.88342 08 47 20.18 +68 13 09.8 13.3 G B96

CK19Y040 C2020 03 24.88505 08 47 19.37 +68 13 10.6 13.3 G B96

CK19Y040 C2020 03 24.88668 08 47 18.66 +68 13 11.4 13.3 G B96

CK19Y040 C2020 03 24.88830 08 47 17.87 +68 13 12.2 13.3 G B96

CK19Y040 C2020 03 24.88993 08 47 17.17 +68 13 12.8 13.3 G B96

CK19Y040 C2020 03 24.89156 08 47 16.48 +68 13 13.6 13.3 G B96

CK19Y040 C2020 03 24.89318 08 47 15.78 +68 13 14.2 13.3 G B96

CK19Y040 C2020 03 24.89482 08 47 14.96 +68 13 15.1 13.3 G B96

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

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 24/03/2020 21:12:07 12.98 12.18 11.77 11.49 11.27 11.11 34.1 18.4 B96

C/2019 Y4 24/03/2020 21:12:07* 0.01 0.01 0.00 0.00 0.00 0.00 5 3.3 Gai

AFRHO LOG

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

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

C/2019 Y4 24/03/2020 21:12:07 1.07 1.60 25.75 11.96 34 467 14 2.669 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

Afρ [cm] vs. core distance (in km) - image without filter (R-unfiltered)