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 25/04/2017 09:50:54 15.55 14.78 14.42 14.20 14.04 13.93 7.1 18.2 G39

73P 25/04/2017 09:50:54* 0.05 0.08 0.06 0.07 0.08 0.09 9 3.9 CMC

0073Pbt 25/04/2017 09:52:06 15.84 14.76 14.27 13.98 13.84 13.74 3.6 18.2 G39

0073Pbt 25/04/2017 09:52:06* 0.00 0.00 0.00 0.00 0.00 0.00 1 3.5 CMC

AFRHO LOG

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

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

73P 25/04/2017 09:50:54 1.65 1.12 16.75 15.01 7 32 5 1.511 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 2017.04.25 21:35:18

AC2

NET CMC-15

0073P C2017 04 25.40664 23 47 53.70 -08 59 03.2 16.2 N G39

0073P C2017 04 25.40777 23 47 53.93 -08 59 01.7 16.2 N G39

0073P C2017 04 25.40891 23 47 54.16 -08 59 01.3 16.1 N G39

0073P C2017 04 25.41061 23 47 54.50 -08 58 59.1 16.3 N G39

0073P C2017 04 25.41173 23 47 54.68 -08 58 58.4 16.0 N G39

0073P C2017 04 25.41230 23 47 54.87 -08 58 57.6 16.1 N G39

0073P C2017 04 25.41286 23 47 54.88 -08 58 57.3 16.2 N G39

0073Pbt C2017 04 25.40664 23 47 53.26 -08 59 09.9 17.1 N G39

0073Pbt C2017 04 25.41117 23 47 54.20 -08 59 06.3 17.2 N G39

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Some signs of further fragmentation/desintegration of comet 73P