[vsnet-obs 29952] Fw: X, Y, RR Cep

["Hautecler Hubert" <huna@vt4.net>]

>The observer O.Pejcha is apparently and -quite uniquely-
overobserving the
>wrong stars in the cases of X, Z and RR Cep, and overobserving Y Cep.
X, Z and
>RR Cep are around minimum now, well in the 14th and 15th magnitude.
See also
>AAVSO-Bulletin no.63).
>Long-period Mirastars should not be observed more often than once in
5 days
>or so, to avoid biasing (Manual for Observing Variable Stars by
Margaret
>Mayall, rev.ed. September 1957, p.10)
>--
Georg Comello                           | Tel.  : (31)-50-3634050
Kapteyn Laboratorium                    | Fax   : (31)-50-3636100
University of Groningen                 | E-mail: comello@astro.rug.nl
P.O. Box 800,  9700 AV Groningen        |
The Netherlands




Mr H-G. Lindberg is also doing the same with IZ Cyg, TW Lyr, W Lyr,
CHI Cyg and many other mira stars. His estimations are correct but
once a day is too much for a Mira star.




Hautecler Hubert
Lubbeeksestraat 61, 3370 Boutersem, Belgium
email: huna@vt4.net

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