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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 07 20.89572 17 16 16.46 +40 19 00.4          14.8 R      B96

    CK17K020  C2021 07 20.90389 17 16 16.08 +40 18 56.3          14.7 R      B96

    CK17K020  C2021 07 20.91053 17 16 15.75 +40 18 53.0          15.4 G      B96

    CK17K020  C2021 07 20.91707 17 16 15.49 +40 18 49.5          15.4 G      B96

Comet C/2017 K2 (PANSTARRS) -  20 july 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     20/07/2021 22:00:35  14.85  14.03  13.65  13.38  13.19  13.08  31.0  17.6  B96

C/2017 K2     20/07/2021 22:00:35*  0.00   0.00   0.00   0.00   0.00   0.00     1   3.9  Gai

                                                                     AFRHO         LOG

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

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

C/2017 K2     20/07/2021 22:00:35    5.42   5.81   5.09  15.46   31   6269   202  3.797  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 07 20.90  k 12.8 AQ 40.0L 3A080   1.4               ICQ XX BRY04I     C 1.44mST0 K6F KPR 5 U1*0.03       1.2s 1.2 ;Comet Alt.:77.6

CometObs format:

C/2017 K2 (PANSTARRS):

2021  Jul.  20.90  UT: m1=12.8 CCD-R, Dia.=1.4', 40.0-cm Newtonian reflector .

[Comet Alt.:77.6 Calculated mags:12.8,12.8,12.8,12.8,12.7,12.8,12.8,12.8,12.8,12.8,12.8,12.8,12.8,12.8,12.7

] (Erik Bryssinck, BRIXIIS)

Afrho output:

C/2017 K2, 2459416.38958, 5.819, 5.423, 9.55, R, 14630, 7104.7, 99.1

C/2017 K2, 2459416.38958, 5.819, 5.423, 9.55, R, 24384, 7893.2, 110.1

C/2017 K2, 2459416.38958, 5.819, 5.423, 9.55, R, 34138, 8083.1, 112.7

C/2017 K2, 2459416.38958, 5.819, 5.423, 9.55, R, 43892, 8103.5, 113.0

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