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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 2021.06.15 09:59:04

NET Gaia DR2

    CK17K020  C2021 06 13.97309 17 49 06.88 +43 28 16.0          15.4 G      B96

    CK17K020  C2021 06 13.97962 17 49 06.50 +43 28 15.8          15.5 G      B96

    CK17K020  C2021 06 13.98616 17 49 06.14 +43 28 15.3          15.5 G      B96

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Comet C/2017 K2 (PANSTARRS) -  13 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     13/06/2021 23:30:39  14.98  14.16  13.81  13.58  13.41  13.32  21.9  18.4  B96

C/2017 K2     13/06/2021 23:30:39*  0.05   0.05   0.06   0.06   0.05   0.05     3   3.8  Gai

                                                                     AFRHO         LOG

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

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

C/2017 K2     13/06/2021 23:30:39    5.65   6.12   4.88  15.56   22   6874   314  3.837  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 13.98  k 12.7 AQ 40.0L 3A080   1.6               ICQ XX BRY04I     C 1.60mST0 K6F KPR 5 U9*0.02       1.2s 1.2 ;Comet Alt.:80.5 Calculated mags:12.7,12.7,12.7,12.7,12.7,12.7,12.7,12.7,12.7,12.7,12.7,12.7,12.7,12.7,12.7

CometObs format:

C/2017 K2 (PANSTARRS):

2021  Jun.  13.98  UT: m1=12.7 CCD-R, Dia.=1.6', 40.0-cm Newtonian reflector .

[Comet Alt.:80.5 Calculated mags:12.7,12.7,12.7,12.7,12.7,12.7,12.7,12.7,12.7,12.7,12.7,12.7,12.7,12.7,12.7

] (Erik Bryssinck, BRIXIIS)

Afrho output:

C/2017 K2, 2459379.47431, 6.127, 5.656, 8.77, R, 15262, 8984.2, 80.4

C/2017 K2, 2459379.47431, 6.127, 5.656, 8.77, R, 25436, 10390.5, 93.0

C/2017 K2, 2459379.47431, 6.127, 5.656, 8.77, R, 35611, 10728.2, 96.0

C/2017 K2, 2459379.47431, 6.127, 5.656, 8.77, R, 45786, 10709.0, 95.9

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