BRIXIIS Astronomical Observatory

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Comet C2021 D2 (ZTF) - 5 sept. 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 2021.09.06 11:39:17

NET Gaia DR2

    CK21D020  C2021 09 05.87281 16 02 49.54 +69 59 45.4          18.3 R      B96

    CK21D020  C2021 09 05.87774 16 02 49.88 +69 59 40.9          19.1 R      B96

    CK21D020  C2021 09 05.88267 16 02 49.26 +69 59 40.2          18.1 R      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     05/09/2021 21:03:57  19.07  18.40  18.17                        4.6  17.9  B96

C/2021 D2     05/09/2021 21:03:57*  0.70   0.62   0.59                          3   3.8  Gai


                                                                     AFRHO         LOG

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

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

C/2021 D2     05/09/2021 21:03:57    3.34   3.31   8.24  19.21    5     24     5  1.387  B96

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 unfiltered CCD-image