comet 73P/SCHWASSMANN-WACHMANN 3

Photometric data obtained from FOCAS-II software

COD Q62

CON iTelescope.net - Siding Spring Observatory, Coonabarabran, NSW, Australia

CATALOG: USNO A2.0 / CMC 14-15 - BAND: R

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

COMET UTC +/- +/- +/- +/- +/- +/- N FWHM CAT

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

73P 09/05/2017 19:11:53 15.88 15.06 14.72 14.56 14.50 14.54 3.5 17.5 Q62

73P 09/05/2017 19:11:53* 0.07 0.07 0.11 0.14 0.14 0.20 4 3.5 CMC

0073Pbt 09/05/2017 19:11:53 16.26 15.48 15.02 14.79 14.77 14.83 1.7 17.5 Q62

0073Pbt 09/05/2017 19:11:53* 0.07 0.09 0.09 0.14 0.14 0.25 4 3.5 CMC

AFRHO LOG

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

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

73P 09/05/2017 19:11:53 1.73 1.23 15.95 15.36 4 31 9 1.493 Q62

0073Pbt Orbital elements not found

Astrometric data for MPC:

COD Q62

CON iTelescope.net - Siding Spring Observatory, Coonabarabran, NSW, Australia,

OBS E.Bryssinck

MEA E.Bryssinck

TEL 0.51-m f/4.5 Ritchey-Chretien + CCD

ACK MPCReport file updated 2017.05.09 21:46:33

AC2

NET CMC-15

0073P C2017 05 09.79677 00 31 51.14 -05 07 11.0 16.6 N Q62

0073P C2017 05 09.79747 00 31 51.30 -05 07 10.2 16.9 N Q62

0073P C2017 05 09.79886 00 31 51.53 -05 07 09.5 16.6 N Q62

0073P C2017 05 09.80027 00 31 51.81 -05 07 07.5 17.0 N Q62

0073P C2017 05 09.80167 00 31 51.97 -05 07 06.3 16.6 N Q62

0073Pbt KC2017 05 09.79782 00 31 51.54 -05 07 03.0 17.5 N Q62

0073Pbt KC2017 05 09.80062 00 31 52.00 -05 07 00.8 17.5 N Q62

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fragmentation/desintegration of comet 73P clearly visible