Abstract
A continuous photometric study of 12 novae was carried out for more than 365 nights during the past 4 years at the Wise Observatory in a motivation to extend our knowledge on these systems. Main results: we found observational evidence for the early presence of the accretion disc in Nova V1974 Cyg 1992 (permanent superhumps) and probably also in Nova V1425 Aql 1995 (classified as an intermediate polar candidate). We also predicted the future of superhumps in classical nova systems, and in particular the permanent superhumps in Nova V1974 Cygni 1992. They will either continue to prevail in its light curve, while the brightness of the nova stays well above its pre-outburst level, or the system will continue to decay and eventually evolve into a regular SU UMa system, with superhumps appearing only during superoutbursts.
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