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Comet 170P/Christensen -  10 jan. 2024

astrometric data for MPC (Minor Planet Center)

photometric data from FOCAS-II

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 2024.01.11 17:52:57

NET Gaia DR2

0170P         C2024 01 10.91949 03 17 37.17 +05 41 47.5          18.1 G      B96

0170P         C2024 01 10.92604 03 17 37.32 +05 41 47.4          17.9 G      B96

0170P         C2024 01 10.93259 03 17 37.36 +05 41 49.9          18.0 G      B96

COD B96

CON BRIXIIS observatory  -  B-9150 Kruibeke, Belgium

CATALOG: USNO A2.0 / CMC-14 - BAND: R

                                   10x10  20x20  30x30  40x40  50x50  60x60   SNR   SB   COD

OBJECT        DATE       TIME        +/-    +/-    +/-    +/-    +/-    +/-     N  FWHM  CAT

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

170P          10/01/2024 22:18:13  17.75  17.24  17.00  17.07                 9.2  17.8  B96

170P          10/01/2024 22:18:13*  0.06   0.07   0.07   0.18                   2   4.0  Gai

                                                                     AFRHO         LOG

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

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

170P          10/01/2024 22:18:13    2.68   3.26  10.30  17.67    9     62     7  1.795  B96

Af(rho) data from images taken with R-Bessel filter and UCAC4 ref. star

Af(rho) data according CARA-approach

Af(rho) [cm] vs core distance [km]