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Comet C/2021 A1 (LEONARD) -   7 june 2021

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

http://cara.uai.it

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 2021.06.08 21:17:53

NET Gaia DR2

    CK21A010  C2021 06 07.91195 10 35 41.01 +55 54 38.9          17.6 R      B96

    CK21A010  C2021 06 07.92177 10 35 40.62 +55 54 31.9          17.5 R      B96

    CK21A010  C2021 06 07.92995 10 35 40.16 +55 54 24.8          17.4 R      B96

----- end -----

COD G39

OBS ROAD Observatory

CATALOG: Gaia DR2 - BAND: G

                                   10x10  20x20  30x30  40x40  50x50  60x60   SNR   SB   COD

COMET         UTC                    +/-    +/-    +/-    +/-    +/-    +/-     N  FWHM  CAT

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

C/2021 A1     07/06/2021 22:05:46  17.76  17.35  17.26  17.36                 6.0  17.6  B96

C/2021 A1     07/06/2021 22:05:46*  0.11   0.28   0.35   0.74                   3   3.4  Gai

                                                                     AFRHO         LOG

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

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

C/2021 A1     07/06/2021 22:05:46    2.62   1.77  10.51  17.67    6     18     3  1.250  B96

Photometry obtained with FOCAS-II software:

Afρ data according CARA-approach

Afρ [cm] vs core distance [km] - data obtained from Bessel-R filtered CCD-image