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Comet C/2021 A1 (LEONARD) -   6 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 2021.06.07 14:01:04

NET Gaia DR2

    CK21A010  C2021 06 06.90649 10 36 23.68 +56 05 45.4          17.7 G      B96

    CK21A010  C2021 06 06.91142 10 36 23.40 +56 05 40.6          17.9 G      B96

    CK21A010  C2021 06 06.91637 10 36 22.93 +56 05 37.7          18.3 G      B96

    CK21A010  C2021 06 06.92130 10 36 22.81 +56 05 34.4          17.8 G      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     06/06/2021 21:56:00  17.87  17.59  17.41                        4.6  17.9  B96

C/2021 A1     06/06/2021 21:56:00*  0.17   0.26   0.23                          4   3.4  Gai

                                                                     AFRHO         LOG

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

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

C/2021 A1     06/06/2021 21:56:00    2.62   1.76  10.51  17.85    5     15     3  1.173  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