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 10/05/2017 19:31:14 15.78 14.92 14.45 14.17 13.97 13.82 5.0 17.1 Q62

73P 10/05/2017 19:31:14* 0.14 0.13 0.11 0.12 0.12 0.16 9 2.5 CMC

0073Pbt 10/05/2017 19:30:19 16.27 15.21 14.66 14.34 14.10 13.89 3.6 17.2 Q62

0073Pbt 10/05/2017 19:30:19* 0.09 0.12 0.11 0.10 0.11 0.12 8 2.5 CMC

AFRHO LOG

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

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

73P 10/05/2017 19:31:14 1.73 1.24 15.90 15.21 5 36 7 1.561 Q62

0073Pbt Orbital elements not found

FoCAs 3.50

www.astrosurf.com/cometas-obs

es.groups.yahoo.com/group/Cometas_Obs

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 2017.05.11 07:54:21

AC2

NET CMC-15

0073P C2017 05 10.80887 00 34 41.74 -04 51 50.6 16.8 N Q62

0073P C2017 05 10.81247 00 34 42.33 -04 51 48.0 17.0 N Q62

0073P C2017 05 10.81841 00 34 43.21 -04 51 42.7 16.8 N Q62

0073Pbt C2017 05 10.80961 00 34 42.09 -04 51 43.7 17.4 N Q62

0073Pbt C2017 05 10.81179 00 34 42.36 -04 51 42.5 17.4 N Q62

0073Pbt C2017 05 10.81696 00 34 43.24 -04 51 36.9 17.2 N Q62

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fragmentation/desintegration of comet 73P clearly visible