According to T. Nishimura's observation (vsnet-obs 2266), U Gem is undergoing an outburst. His observation:
GEMU 960303.579 97 Nmt.VSOLJ outburst
AAVSO NEWS FLASH No. 2
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(vsnet-alert 95, W. G. Dillon)
Object YYMMDD(UT) mag. member GEMU 950402.1806 11.2 DIL.AAVSO Observer's Code: DIL = W. G. Dillon, Missouri City, Texas, USA telescope: 28 cm SCT Regards, William email@example.com.SLB.com
(vsnet-alert 96, J. A. Mattei)
U Gem is in outburst as indicated by the following observations received at AAVSO:
GEMU 950401.0417 UT 13.9 R. Steward 950401.0701 14.1 P.Dombrowski 950401.146 14.0 R. Zissell 950401.1875 13.5 T. Hunter 950401.1979 13.5 D. York 950401.23 <13.8 W. Albrecht 950401.24 13.8 D. York 950401.347 13.6 W. Albrecht 950402.0229 12.5 P. Dombrowski 950402.0347 12.8 G. Dyck 950402.084 12.2 R. Zissell 950402.1806 11.2 W. Dillon 950402.2118 11.1 T. Burrows 950402.2535 11.0 R. Royer
All observations were made using AAVSO charts for U Gem.
It has been 221 days since the last outburst of U Gem. Observations from the AAVSO International Database show that this is the longest outburst interval, with no seasonal observing gaps, since 1943.
Janet A. Mattei
(vsnet-alert 97, D. Nogami)
As you know, the information that Outburst of U Gem was finally caused was distributed via vsnet-alert. Moreover, it has already been announced by T. Kato via vsnet-alert that eclipses of U Gem are expected to reach primary minima at:
Min = 2437638.82627 + 0.1769061898*E (HJD) (+/- 8) (+/- 30) (J. Smak 1993, Acta Astronomica, 43, 121)
This formula tells a primary minimum occurs at 2449809.264503 in HJD (E = 68796). The observation of eclipses in this outburst is highly encouraged. We (Ouda Team) tried to observe eclipses of U Gem at Ouda Station tonight, but the weather did not permit. Are there any sites where the high-speed photometry can be made?
Recent light curve
Long outburst in 1985 (VSOLJ)