Special Notice #107: Update on Request to monitor SDSS J151413.72+454911.9 for HST Observations [PP Boo] */ /*-->*/ May 1, 2008 Tags AAVSO Special Notice SDSS J151413.72+454911.9 PP Boo HST AAVSO International Database Read more about Special Notice #107: Update on Request to monitor SDSS J151413.72+454911.9 for HST Observations [PP Boo]