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Comet C2021 D2 (ZTF) - 14 june 2021

 (ZTF) - 14 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 2021.06.15 12:25:10

NET Gaia DR2

    CK21D020  C2021 06 14.04361 20 56 23.17 +62 54 03.8          18.7 G      B96

    CK21D020  C2021 06 14.05015 20 56 22.71 +62 54 14.5          18.4 G      B96

    CK21D020  C2021 06 14.05668 20 56 22.16 +62 54 20.6          17.8 G      B96

----- end -----

COD X02

OBS BRIXIIS Observatory

CATALOG: Gaia DR2 - BAND: G

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

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

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

C/2021 D2     14/06/2021 01:12:12  18.23  17.99  18.07  17.87                 4.5  18.1  B96

C/2021 D2     14/06/2021 01:12:12*  0.26   0.33   0.33   0.45                   3   3.8  Gai

                                                                     AFRHO         LOG

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

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

Observation made with Orion Optics AG16 newton telescope from my backyard, BRIXIIS Observatory, Kruibeke, Belgium

Photometry obtained with FOCAS-II software:

Afρ data according CARA approach

Afρ vs core distance - data obtained from R-filtered CCD-image