AAVSO Special Notice #30

Correction to AAVSO Special Notice #29
(January 18, 2007)

In AAVSO Special Notice #29, I said that Dr. Jeno Sokoloski
was requesting our observing assistance on V550 Cyg in order
to correlate her observations taken by ROSAT in the last few
days. Since ROSAT ceased operating in 1999, I clearly
mis-spoke! However, Dr. Sokoloski is using archival ROSAT
data in her research on this star in addition to her
recently-obtained observations. My apologies to Dr. Sokoloski
for the error.

Elizabeth O. Waagen

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