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Comet C/2021 A1 (LEONARD) -   29 may 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 2021.05.30 14:01:04

NET Gaia DR2

    CK21A010  C2021 05 29.90332 10 43 23.85 +57 31 54.9          18.0 G      B96

    CK21A010  C2021 05 29.90986 10 43 23.46 +57 31 51.5          18.3 G      B96

    CK21A010  C2021 05 29.91639 10 43 23.10 +57 31 47.0          18.1 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     29/05/2021 21:54:54  18.03  17.71  17.52  17.32  17.13  17.19   8.4  18.1  B96

C/2021 A1     29/05/2021 21:54:54*  0.09   0.02   0.14   0.16   0.17   0.14     2   3.5  Gai


                                                                     AFRHO         LOG

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

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

C/2021 A1     29/05/2021 21:54:54    2.61   1.69  10.55  18.02    8     12     1  1.065  B96

Photometry obtained with FOCAS-II software:

Afρ data according CARA-approach

Afρ [cm] vs core distance [km] - data obtained from unfiltered CCD-image