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Re: (fwd) R Cas and Comet Ikeya-Zhang > Is this not caused by the extreme red color of R Cas in the > unfiltered CCD? Or am I missing something here? The star is > R ~5.5 when V is ~10 (see Kornilov et al. 1991TrSht..63....4K), > so the observation seems to be about as expected. Past MISAO observations (unfiltered CCD) indeed reported mag ~5 when V is ~10. At maximum, MISAO observations reported mag around 3. The following description requires a further explanation. Could it be an illusion? > The most intriguing point in the whole story is that Korneev saw > the star visually at first before taking CCD exposures.
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