Re: [vsnet-obs 45064] Re: CCD observations by Kis (Apr.+) Sebastian, These observations are exactly what I received from Kiyota-san. No conversion error is responsible. As I have heard, Kiyota-san is trying to establish a CCD photometry system of bright objects using a 25cm telescope + an aperture stop. This instrument is probably still under development, and the errors may have been larger than expected. [+possibly Kiyota-san's typos ;-)] We wish we can hear more about from Kiyota-san directly. > If this is a professionals' issue, leave it to them! Well, there are a number of professional instances in the past that errors with several magnitudes were published without notice. They may have been even as bad as to report B-V = -5.0 ;-). And sometimes other professionals tried to make a theory to explain the anomaly... Of course, the present case is probably not associated with such professional issues. Regards, Taichi Kato
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