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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 2021.08.14 11:15:37

NET Gaia DR2

    CK17K020  C2021 08 13.85206 17 02 09.81 +36 16 14.4          14.7 R      B96

    CK17K020  C2021 08 13.85700 17 02 09.69 +36 16 10.7          14.7 R      B96

    CK17K020  C2021 08 13.86193 17 02 09.55 +36 16 07.5          14.7 R      B96

Comet C/2017 K2 (PANSTARRS) -  13 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     13/08/2021 20:34:04  14.80  13.97  13.58  13.32  13.14  13.04  25.1  18.2  B96

C/2017 K2     13/08/2021 20:34:04*  0.02   0.01   0.03   0.03   0.02   0.02     3   3.3  Gai

                                                                     AFRHO         LOG

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

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

C/2017 K2     13/08/2021 20:34:04    5.37   5.61   5.13  15.39   25   6128   244  3.787  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 13.86  k 12.6 AQ 40.0L 3a840   2.2               ICQ XX BRY04I     C 2.20mST0 K6F KPR 5 U1*0.01       1.2s 1.2 ;Comet Alt.:69.6 Calculated mags: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.  13.86  UT: m1=12.6 CCD-R, Dia.=2.2', 40.0-cm Newtonian reflector .

[Comet Alt.:69.6 Calculated mags: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, 2459440.34722, 5.617, 5.379, 10.28, R, 14511, 7392.0, 45.8

C/2017 K2, 2459440.34722, 5.617, 5.379, 10.28, R, 24185, 8159.9, 50.5

C/2017 K2, 2459440.34722, 5.617, 5.379, 10.28, R, 33860, 8363.6, 51.8

C/2017 K2, 2459440.34722, 5.617, 5.379, 10.28, R, 43534, 8377.5, 51.9

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