comet 73P/SCHWASSMANN-WACHMANN 3

Photometric data obtained from FOCAS-II software

COD G39

OBS F.-J.Hambsch, E.Bryssinck

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

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

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

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

73P 20/04/2017 09:46:31 15.07 14.29 13.91 13.63 13.43 13.26 7.6 18.0 G39

73P 20/04/2017 09:46:31* 0.03 0.12 0.12 0.12 0.10 0.10 8 4.0 CMC

0073Pbt 20/04/2017 09:46:31 15.13 14.16 13.72 13.44 13.24 13.08 2.8 18.0 G39

0073Pbt 20/04/2017 09:46:31* 0.09 0.14 0.13 0.11 0.09 0.08 8 4.0 CMC

AFRHO LOG

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

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

73P 20/04/2017 09:46:31 1.62 1.09 17.07 14.50 8 47 6 1.675 G39

0073Pbt Orbital elements not found

Astrometric data for MPC:

COD G39

OBS F.-J.Hambsch, E.Bryssinck

MEA E.Bryssinck

TEL 0.4-m f/6.8 astrograph + CCD

ACK MPCReport file updated 2017.04.20 17:01:29

AC2 hambsch@telenet.be

NET CMC-15

0073P C2017 04 20.40362 23 30 55.08 -10 24 11.4 15.7 N G39

0073P C2017 04 20.40418 23 30 55.18 -10 24 11.0 15.8 N G39

0073P C2017 04 20.40645 23 30 55.64 -10 24 09.7 15.7 N G39

0073P C2017 04 20.40702 23 30 55.72 -10 24 08.1 15.8 N G39

0073P C2017 04 20.40759 23 30 55.82 -10 24 07.2 15.7 N G39

0073P C2017 04 20.40873 23 30 56.09 -10 24 07.0 15.7 N G39

0073P C2017 04 20.40987 23 30 56.34 -10 24 04.5 15.8 N G39

0073Pbt C2017 04 20.40362 23 30 54.66 -10 24 16.7 16.8 N G39

0073Pbt C2017 04 20.40475 23 30 54.95 -10 24 14.3 16.5 N G39

0073Pbt C2017 04 20.40702 23 30 55.40 -10 24 12.6 16.4 N G39

0073Pbt C2017 04 20.40873 23 30 55.83 -10 24 10.6 16.3 N G39

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Some signs of further fragmentation of comet 73P