April 9, 2013: In AAVSO Special Notice #346 (http://www.aavso.org/aavso-special-notice-346), IU Leo was said to have a close companion about 2 arcsec to the NE. This is not correct - it is IY UMa that has this close companion.
We extend sincere apologies to Dr. Szkody for misquoting her and to our readers for the error.
This AAVSO Special Notice was compiled by Elizabeth O. Waagen.
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SUBMIT OBSERVATIONS TO THE AAVSO
April 8, 2013: Further to AAVSO Alert Notice 471 (http://www.aavso.org/aavso-alert-notice-471) and AAVSO Special Notice #345 (http://www.aavso.org/aavso-special-notice-345), HST/COS is scheduled to observe the eclipsing SU UMa-type dwarf nova RZ Leo:
RZ Leo 2013 Apr 11 07:18:24 through 14:15:5 UT
