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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 2022.06.20 15:41:24

NET Gaia DR2

    CK17K020  C2022 06 13.89337 18 00 30.12 +07 01 44.7          12.4 R      B96

    CK17K020  C2022 06 13.89819 18 00 29.56 +07 01 40.4          13.1 G      B96

    CK17K020  C2022 06 13.90762 18 00 28.50 +07 01 32.6          13.1 G      B96

    CK17K020  C2022 06 13.91609 18 00 27.57 +07 01 25.2          13.0 G      B96

----- end -----

Comet C/2017 K2 (PANSTARRS) -  20 june 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

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

C/2017 K2     13/06/2022 21:53:04  12.53  11.66  11.21  10.88  10.62  10.40  43.4  16.5  B96

C/2017 K2     13/06/2022 21:53:04*  0.02   0.01   0.01   0.00   0.01   0.00     2   3.7  Gai

                                                                     AFRHO         LOG

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

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

C/2017 K2     13/06/2022 21:53:04    2.00   2.92  13.78  12.13   43   4594   106  3.662  B96

Data obtained from KOPR software (by Jakub Černý)

ICQ Code:

   2017K2  2022 06 20.97  k  8.9 AR 40.0L 3a180   6.0       9.1m356 ICQ XX BRY04I     C 6.00mST0 K6F KPR 5 U1*0.02       1.2s 1.2 ;Comet Alt.:43.9 Calculated mags:8.9,8.8,8.8,8.9,8.8,8.8,8.8,8.9,8.9,8.8,8.8,8.9,8.9,8.8,8.8

CometObs format:

C/2017 K2 (PANSTARRS):

2022  Jun.  20.97  UT: m1= 8.9 CCD-R, Dia.=6.0', 40.0-cm Newtonian reflector , Tail: 9.1 min. in p.a. 356 deg.

[Comet Alt.:43.9 Calculated mags:8.9,8.8,8.8,8.9,8.8,8.8,8.8,8.9,8.9,8.8,8.8,8.9,8.9,8.8,8.8

] (Erik Bryssinck, BRIXIIS)

Afrho output:

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

     C/2017 K2,  2459751.47431,  2.859,  1.925,   9.83,   R,      5194,   5535.5,   47.8

     C/2017 K2,  2459751.47431,  2.859,  1.925,   9.83,   R,      8656,   6080.7,   52.5

     C/2017 K2,  2459751.47431,  2.859,  1.925,   9.83,   R,     12119,   6265.4,   54.1

     C/2017 K2,  2459751.47431,  2.859,  1.925,   9.83,   R,     15582,   6362.7,   55.0

     C/2017 K2,  2459751.47431,  2.859,  1.925,   9.83,   R,     19045,   6430.9,   55.6

     C/2017 K2,  2459751.47431,  2.859,  1.925,   9.83,   R,     22508,   6496.4,   56.1

     C/2017 K2,  2459751.47431,  2.859,  1.925,   9.83,   R,     25970,   6561.1,   56.7

     C/2017 K2,  2459751.47431,  2.859,  1.925,   9.83,   R,     29433,   6622.1,   57.2

     C/2017 K2,  2459751.47431,  2.859,  1.925,   9.83,   R,     32896,   6687.7,   57.8

     C/2017 K2,  2459751.47431,  2.859,  1.925,   9.83,   R,     36359,   6750.5,   58.3

     C/2017 K2,  2459751.47431,  2.859,  1.925,   9.83,   R,     39822,   6814.8,   58.9

     C/2017 K2,  2459751.47431,  2.859,  1.925,   9.83,   R,     43284,   6868.0,   59.3

     C/2017 K2,  2459751.47431,  2.859,  1.925,   9.83,   R,     46747,   6917.3,   59.8

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