[vsnet-obs 19281] CCD observations (Ouda team) Feb. 16

[Taichi Kato <tkato>]

   Representative averaged magnitudes:

UMASU 990216.395 13.72C Oud  slightly brighter
UMACY 990216.533 13.27C Oud
HYACT 990216.445 14.57C Oud
HYACT 990216.647 14.71C Oud
3C279 990216.590 14.26C Oud  brightening!
BOOCR 990216.607 17.41C Oud  faint!

observer: Ouda team (T. Kato and)
telescope: Ouda team rooftop station, 25-cm SCT + ST-7 unfiltered
comparison: GSC4129.1292, mag 11.22 assumed (USNO rmag 11.2) for SU UMa.
            GSC900.1047, mag 12.07 assumed (USNO rmag 11.9) for CR Boo
            GSC4956.1119 R=12.05 adopted (V=12.42, B-V=0.60) for 3C279
            GSC3446.96, mag 10.84 assumed (Tycho) for CY UMa
            GSC216.417, mag 11.43 assumed (Tycho, B-V=0.37) for CT Hya

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