Special Notice #139: The peculiar object CSS 081007:030559+054715 [HV Cet] */ /*-->*/ AAVSO Special Notice #139 The peculi Tags AAVSO Special Notice HV Cet CSS 081007:030559+054715 nova close binary supersoft x-ray source AAVSO International Database Read more about Special Notice #139: The peculiar object CSS 081007:030559+054715 [HV Cet]