A couple of sources stated she belonged to either the Schule/FAR 43 or the Schule/FAR 71 later the FFS A/B 71 there. But none of these used the Hs-123s. IMHO the plane belonged to the I./SG152 based there as well.
the info and pic source:
http://www.vrtulnik.cz/ww2/protektorat-prostejov.htm