Fig. 1
Hα line centre images of the solar flares on 2004 May 3 and 2005 July 12 observed with the LC-MSDP-SECIS or HT-MSDP-SECIS systems at Białków Observatory. The Hα emission sources (Hα kernels) are marked: K9, K10, K19, K20, K25 and K26, while relevant reference quiet-chromosphere regions are labelled Q. The field of view in these images is 325 × 41 arcsec2 (for top panel) and 942 × 119 arcsec2 (for middle and bottom panels), respectively. Main characteristics of all the analysed flares are given in Table 1.
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