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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 09:33:53

NET Gaia DR2

    CK17K020  C2021 06 06.97618 17 55 30.26 +43 34 24.8          15.0 R      B96

    CK17K020  C2021 06 06.98441 17 55 29.85 +43 34 24.3          15.0 R      B96

    CK17K020  C2021 06 06.99428 17 55 29.32 +43 34 24.3          15.0 R      B96

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Comet C/2017 K2 (PANSTARRS) -  6 june 2021

Photometric data obtained from FOCAS-II software

COD B96

CON BRIXIIS Observatory - Eyckensbeekstraat 2, B-9150 Kruibeke, Belgium

CATALOG: USNO A2.0 / CMC 14-15 - BAND: R

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

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

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

C/2017 K2     06/06/2021 23:38:20  15.06  14.27  13.89  13.66  13.52  13.45  22.5  18.4  B96

C/2017 K2     06/06/2021 23:38:20*  0.02   0.06   0.06   0.04   0.04   0.05     3   3.6  Gai

                                                                     AFRHO         LOG

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

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

C/2017 K2     06/06/2021 23:38:20    5.72   6.18   4.82  15.64   23   6678   297  3.825  B96

FoCAs 3.61

www.astrosurf.com/cometas-obs

es.groups.yahoo.com/group/Cometas_Obs

Data obtained from KOPR software (by Jakub Černý)

ICQ Code:

   2017K2  2021 06 06.98  k 13.0 AQ 40.0L 3B880   1.5               ICQ XX BRY04I     C 1.48mST0 K6F KPR 5 U9*0.01       1.2s 1.2 ;Comet Alt.:77.5 Calculated mags:13.0,13.0,13.0,13.0,13.0,13.0,13.0,13.0,13.0,13.0,13.0,13.0,13.0,13.0

CometObs format:

C/2017 K2 (PANSTARRS):

2021  Jun.  06.98  UT: m1=13.0 CCD-R, Dia.=1.5', 40.0-cm Newtonian reflector .

[Comet Alt.:77.5 Calculated mags:13.0,13.0,13.0,13.0,13.0,13.0,13.0,13.0,13.0,13.0,13.0,13.0,13.0,13.0

] (Erik Bryssinck, BRIXIIS)

Afrho output:

C/2017 K2, 2459372.47431, 6.185, 5.725, 8.72, R, 15448, 7015.5, 30.7

C/2017 K2, 2459372.47431, 6.185, 5.725, 8.72, R, 25747, 7953.5, 34.8

C/2017 K2, 2459372.47431, 6.185, 5.725, 8.72, R, 36045, 8238.1, 36.0

C/2017 K2, 2459372.47431, 6.185, 5.725, 8.72, R, 46344, 8355.7, 36.5

Af(rho) data according CARA approach

Af(rho) plot (vs. core distance in km) obtained from photometric R filtered CCD-images

Afρ data available by request to the cara-coordinator