RX J1643.7+3402 : Bright cataclysmic variable in the period gap

According to astro-ph/0108377 (Mickaelian et al., A&A in press), RX J1643.7+3402 is identified with a bright (V=12.6) cataclysmic variable. The likely orbital period lies in the period gap. Further long-term coverage is clearly needed (vsnet-campaign 1134).