RX J1643.7+3402 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. The object is identifed with: GSC2585.1677 164345.72 +340240.0 (2000.0) 12.13 1 USNO1200.08085412 164345.724 +340240.24 (2000.0) 13.1 15.8 * 164345.1 +340235 (2000.0) 1RXS_J164345.2+340236 0.053 0.62 0.00