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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 2021.07.22 12:00:03

NET Gaia DR2

    CK17K020  C2021 08 10.86039 17 03 27.80 +36 50 07.6          14.7 R      B96

    CK17K020  C2021 08 10.86697 17 03 27.61 +36 50 03.2          14.7 R      B96

    CK17K020  C2021 08 10.87354 17 03 27.43 +36 49 58.8          14.7 R      B96

Comet C/2017 K2 (PANSTARRS) -  10 aug. 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     10/08/2021 20:48:26  14.85  14.07  13.67  13.41  13.23  13.11  26.8  18.1  B96

C/2017 K2     10/08/2021 20:48:26*  0.01   0.06   0.03   0.01   0.01   0.01     3   2.8  Gai

                                                                     AFRHO         LOG

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

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

C/2017 K2     10/08/2021 20:48:26    5.38   5.64   5.13  15.45   27   5848   218  3.767  B96

FoCAs 3.66

www.astrosurf.com/cometas-obs

es.groups.yahoo.com/group/Cometas_Obs

Data obtained from KOPR software (by Jakub Černý)

ICQ Code:

   2017K2  2021 08 10.87  k 12.6 AQ 40.0L 3A080   2.2               ICQ XX BRY04I     C 2.20mST0 K6F KPR 5 U1*0.01       1.2s 1.2 ;Comet Alt.:69.9 Calculated mags:12.6,12.6,12.6,12.6,12.6,12.6,12.6,12.6,12.6,12.6,12.6,12.6,12.6,12.6,12.6

CometObs format:

C/2017 K2 (PANSTARRS):

2021  Aug.  10.87  UT: m1=12.6 CCD-R, Dia.=2.2', 40.0-cm Newtonian reflector .

[Comet Alt.:69.9 Calculated mags:12.6,12.6,12.6,12.6,12.6,12.6,12.6,12.6,12.6,12.6,12.6,12.6,12.6,12.6,12.6

] (Erik Bryssinck, BRIXIIS)

Afrho output:

C/2017 K2, 2459437.34722, 5.643, 5.381, 10.19, R, 14516, 7528.6, 44.9

C/2017 K2, 2459437.34722, 5.643, 5.381, 10.19, R, 24193, 8147.5, 48.6

C/2017 K2, 2459437.34722, 5.643, 5.381, 10.19, R, 33871, 8308.4, 49.5

C/2017 K2, 2459437.34722, 5.643, 5.381, 10.19, R, 43549, 8323.2, 49.6

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