Special Notice #90: Update on Request to Monitor EF Eri for Hubble Space Telescope Observations
January 14, 2008: Further to AAVSO Alert Notic
THE AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS
25 Birch Street, Cambridge, MA 02138 USA
BITNET: aavso@cfa SPAN: cfa::aavso
Tel. 617-354-0484 FAX 617-354-0665
AAVSO ALERT NOTICE 204 (March 22, 1995)
A VERY SUCCESSFUL ASTRO-2 MISSION COMPLETED
January 6, 2008: Dr. Paula Szkody (University of Washington) has requested our help in monitoring the magnetic cataclysmic variable EF Eri for upcoming Hubble Space Telescope observations. Confirming observations are requested to ensure that EF Eri is fainter than the safe observing threshold during the HST observing window on 2008 January 17 UT.
EF Eri is at RA = 03:14:13.20 , Dec = -22:35:43.0 (J2000).