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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 2022.07.05 10:42:31

NET Gaia DR2

    CK17K020  C2022 07 04.91535 17 17 50.12 +00 28 16.3          12.0 R      B96

    CK17K020  C2022 07 04.91690 17 17 49.87 +00 28 14.0          12.8 G      B96

    CK17K020  C2022 07 04.92537 17 17 48.80 +00 28 02.5          12.8 G      B96

    CK17K020  C2022 07 04.93563 17 17 47.51 +00 27 48.6          12.9 G      B96

----- end -----

Comet C/2017 K2 (PANSTARRS) -  4 july 2022

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

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

                                                                     AFRHO         LOG

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

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

Data obtained from KOPR software (by Jakub Černý)

ICQ Code:

   2017K2  2022 07 04.92  k  8.8 AR 40.0L 3a 60   5.6               ICQ XX BRY04I     C 5.60mST0 K6F KPR 5 U1*0.03       1.2s 1.2 ;Comet Alt.:39.3 Calculated mags:8.8,8.8,8.8,8.8,8.7,8.8,8.8,8.8,8.8,8.8

CometObs format:

C/2017 K2 (PANSTARRS):

2022  Jul.  04.92  UT: m1= 8.8 CCD-R, Dia.=5.6', 40.0-cm Newtonian reflector .

[Comet Alt.:39.3 Calculated mags:8.8,8.8,8.8,8.8,8.7,8.8,8.8,8.8,8.8,8.8

] (Erik Bryssinck, BRIXIIS)

Afrho output:

|OBJECT       |    JULIAN DATE| R (AU)| D (AU)|PH. ANG|BAND| RADIUS KM|    AFRHO|  ERROR|

     C/2017 K2,  2459765.38958,  2.738,  1.829,  11.71,   R,      4936,   5155.1,   61.7

     C/2017 K2,  2459765.38958,  2.738,  1.829,  11.71,   R,      8226,   5830.7,   69.8

     C/2017 K2,  2459765.38958,  2.738,  1.829,  11.71,   R,     11517,   6020.0,   72.0

     C/2017 K2,  2459765.38958,  2.738,  1.829,  11.71,   R,     14808,   6129.0,   73.3

     C/2017 K2,  2459765.38958,  2.738,  1.829,  11.71,   R,     18098,   6213.0,   74.3

     C/2017 K2,  2459765.38958,  2.738,  1.829,  11.71,   R,     21389,   6268.4,   75.0

     C/2017 K2,  2459765.38958,  2.738,  1.829,  11.71,   R,     24680,   6312.4,   75.5

     C/2017 K2,  2459765.38958,  2.738,  1.829,  11.71,   R,     27970,   6346.4,   75.9

     C/2017 K2,  2459765.38958,  2.738,  1.829,  11.71,   R,     31261,   6363.1,   76.1

     C/2017 K2,  2459765.38958,  2.738,  1.829,  11.71,   R,     34552,   6387.2,   76.4

     C/2017 K2,  2459765.38958,  2.738,  1.829,  11.71,   R,     37842,   6412.3,   76.7

     C/2017 K2,  2459765.38958,  2.738,  1.829,  11.71,   R,     41133,   6433.2,   77.0

     C/2017 K2,  2459765.38958,  2.738,  1.829,  11.71,   R,     44424,   6457.9,   77.3

     C/2017 K2,  2459765.38958,  2.738,  1.829,  11.71,   R,     47714,   6485.0,   77.6

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