AAVSO Alert Notice 418: Request for Monitoring of V842 Cen in Support of HST ObservationsAAVSO Alert Notice 418: Request for Monitoring of V842 Cen in Support of HST Observations
AAVSO Alert Notice 418:<br /> Request for monitoring of V842 Cen in support of HST Observations<br /> March 12, 2010 <p>Further to Alert Notice 417, the AAVSO requests intensive monitoring observations of the