comet 73P/SCHWASSMANN-WACHMANN 3

Photometric data obtained from FOCAS-II software

COD Q62

CON BRIXIIS Observatory, Eyckensbeekstraat 2, 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

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

73P 05/05/2017 19:35:31 15.31 14.57 14.20 13.97 13.83 13.71 9.2 18.0 Q62

73P 05/05/2017 19:35:31* 0.13 0.14 0.11 0.09 0.09 0.09 17 3.4 CMC

0073Pbt 05/05/2017 19:34:41 15.69 14.90 14.46 14.18 14.01 13.86 2.8 18.1 Q62

0073Pbt 05/05/2017 19:34:41* 0.11 0.17 0.13 0.11 0.11 0.11 13 3.4 CMC

AFRHO LOG

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

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

73P 05/05/2017 19:35:31 1.71 1.20 16.15 14.82 9 48 5 1.678 Q62

0073Pbt Orbital elements not found

Astrometric data for MPC:

COD Q62

CON BRIXIIS Observatory, Eyckensbeekstraat 2, Kruibeke, Belgium [erik.bryssinck@telenet.be]

OBS E.Bryssinck

MEA E.Bryssinck

TEL 0.51-m f/4.5 astrograph + CCD

ACK MPCReport file updated 2017.05.05 22:24:16

AC2 erik.bryssinck@telenet.be

NET CMC-15

0073P C2017 05 05.80862 00 20 20.81 -06 08 59.3 15.9 N Q62

0073P C2017 05 05.81299 00 20 21.53 -06 08 55.4 15.9 N Q62

0073P C2017 05 05.81508 00 20 21.94 -06 08 53.3 15.9 N Q62

0073P C2017 05 05.81718 00 20 22.29 -06 08 51.0 15.8 N Q62

0073P C2017 05 05.81928 00 20 22.68 -06 08 49.1 15.9 N Q62

0073P C2017 05 05.82138 00 20 23.00 -06 08 46.9 15.9 N Q62

0073Pbt C2017 05 05.80862 00 20 20.83 -06 08 53.4 17.7 N Q62

0073Pbt C2017 05 05.81299 00 20 21.62 -06 08 49.8 18.0 N Q62

0073Pbt C2017 05 05.81508 00 20 22.03 -06 08 47.6 18.1 N Q62

0073Pbt C2017 05 05.81718 00 20 22.35 -06 08 46.1 17.8 N Q62

0073Pbt C2017 05 05.81928 00 20 22.77 -06 08 43.9 17.9 N Q62

0073Pbt C2017 05 05.82138 00 20 23.06 -06 08 42.3 17.5 N Q62

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fragmentation/desintegration of comet 73P clearly visible