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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 2022.06.02 10:44:02

NET Gaia DR2

    CK17K020  C2022 06 01.97442 18 20 30.60 +09 20 54.7          13.3 G      B96

    CK17K020  C2022 06 01.98384 18 20 29.73 +09 20 49.9          13.4 G      B96

    CK17K020  C2022 06 01.99233 18 20 28.96 +09 20 44.9          13.3 G      B96

    CK17K020  C2022 06 01.99809 18 20 28.45 +09 20 42.0          12.6 R      B96

Comet C/2017 K2 (PANSTARRS) -  13 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     01/06/2022 23:42:50  12.78  11.90  11.42  11.09  10.83  10.62  30.6  18.2  B96

C/2017 K2     01/06/2022 23:42:50*  0.00   0.00   0.00   0.00   0.01   0.01     2   4.0  Gai

                                                                     AFRHO         LOG

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

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

C/2017 K2     01/06/2022 23:42:50    2.18   3.02  12.67  12.47   31   4260   139  3.629  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  2022 06 13.90  k  9.0 AR 40.0L 3a300   4.4       8.1m351 ICQ XX BRY04I     C 4.40mST0 K6F KPR 5 U1*0.01       1.2s 1.2 ;Comet Alt.:34.1 Calculated mags:9.0,9.0,9.0,9.0,9.0,9.0,9.0,9.0,9.0,9.0,9.0,9.0,9.0,9.0,9.0,9.0

CometObs format:

C/2017 K2 (PANSTARRS):

2022  Jun.  13.90  UT: m1= 9.0 CCD-R, Dia.=4.4', 40.0-cm Newtonian reflector , Tail: 8.1 min. in p.a. 351 deg.

[Comet Alt.:34.1 Calculated mags:9.0,9.0,9.0,9.0,9.0,9.0,9.0,9.0,9.0,9.0,9.0,9.0,9.0,9.0,9.0,9.0

] (Erik Bryssinck, BRIXIIS)

Afrho output:

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

     C/2017 K2,  2459744.38958,  2.921,  2.005,  10.41,   R,      5411,   5487.0,   29.8

     C/2017 K2,  2459744.38958,  2.921,  2.005,  10.41,   R,      9018,   6290.6,   34.2

     C/2017 K2,  2459744.38958,  2.921,  2.005,  10.41,   R,     12625,   6529.8,   35.5

     C/2017 K2,  2459744.38958,  2.921,  2.005,  10.41,   R,     16233,   6675.7,   36.2

     C/2017 K2,  2459744.38958,  2.921,  2.005,  10.41,   R,     19840,   6768.0,   36.7

     C/2017 K2,  2459744.38958,  2.921,  2.005,  10.41,   R,     23448,   6852.6,   37.2

     C/2017 K2,  2459744.38958,  2.921,  2.005,  10.41,   R,     27055,   6953.9,   37.8

     C/2017 K2,  2459744.38958,  2.921,  2.005,  10.41,   R,     30662,   7033.7,   38.2

     C/2017 K2,  2459744.38958,  2.921,  2.005,  10.41,   R,     34270,   7114.7,   38.6

     C/2017 K2,  2459744.38958,  2.921,  2.005,  10.41,   R,     37877,   7198.9,   39.1

     C/2017 K2,  2459744.38958,  2.921,  2.005,  10.41,   R,     41485,   7266.4,   39.4

     C/2017 K2,  2459744.38958,  2.921,  2.005,  10.41,   R,     45092,   7345.6,   39.9

     C/2017 K2,  2459744.38958,  2.921,  2.005,  10.41,   R,     48700,   7441.8,   40.4

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