Abstract
Active regions (ARs) are the manifestation of the magnetic flux tubes because of the buoyancy action these emerge in the typical letter Greek Ω shape. The tracking and the respective study ARs permit us to study the global properties of the flow tubes (which form the active regions) and provide important information about the origin (formation and transports in the convective zone) and how the magnetic helicity is taken along the corona by pho-tos-phe-ric movements. In order to initiate an study of these behaviors we are developing a programming algorithm using IDL as base, moreover taking routines developed in SOLARSOFT, will allow us to pursue of some interesting active region.
The program has obtained the year 2005 magnetograms data base provided by MDI-SOHO, in which we selected the ARs of interest to determine the location of the region in function of its heliographic coordinates. At the time of selecting this image, the level of intensity of the interest field is selected and the program calculates the position of different polarities and his geometric area (given in arcsec), these values are stored in a text file as well as a support image which shows the contour lines of magnetic field intensities chosen by the user.
As a test of the algorithm we have taken several images MDI-SOHO of the 10715 NOAA region from 01 to 03 of January of the present year; we have used up to 43 images. These results by are part of an study of active zones evolution for the purpose of determining the origin of the RA's formation.