Seachable Solar Feature Catalogues in EGSO

Details Seachable Solar Feature Catalogues in EGSO Seachable Solar Feature Catalogues in EGSO

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004agufmsh52a..04z&link_type=abstract

American Geophysical Union, Fall Meeting 2004, abstract #SH52A-04

Physics

7514 Energetic Particles (2114), 7524 Magnetic Fields, 7538 Solar Irradiance, 2479 Solar Radiation And Cosmic Ray Effects, 1650 Solar Variability

Scientific paper

The searchable Solar Feature Catalogues (SFC) developed using automated pattern recognition techniques from digitized solar images are presented. The techniques were applied for detection of sunspots, active regions, filaments and line-on-sight magnetic neutral lines in the automatically standardized full disk solar images in Ca II K1, Ca II K3 and Ha taken at the Meudon Observatory and white light images and magnetograms from SOHO/MDI. The results of automated recognition were verified with the manual synoptic maps and available statistical data that revealed good detection accuracy. Based on the recognized parameters a structured database of the Solar Feature Catalogues was built on a mysql server for every feature and published with various pre-designed search pages on the Bradford University web site. The SFCs with 10 year coverage (1996-2005) is to be used for deeper investigation of the solar activity, activity feature classification and forecast.

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