Abstract. In February the ATESE project
discovered extreme scintillations in a quasar only 8.5 arcmin from Spica - one
of the brightest stars in the sky. By itself that coincidence is surprising,
but not compelling. However, another look at the properties of the two
best-studied intra-hour variables (PKS1257-326 and J1819+3845), confirms the
association between extreme scintillation and hot, local stars. I'll present
the evidence for that conclusion, and describe what it tells us about the
circumstellar environment, etc.