AAVSO Alert Notice 417: Request for Observations of GW Lib and V842 CenAAVSO Alert Notice 417: Request for Observations of GW Lib and V842 Cen
AAVSO Alert Notice 417:<br /> Request for observations of GW Lib and V842 Cen in support of HST observations<br /> March 3, 2010 <p>Dr. Paula Szkody (U. Washington) has requested the help of