Abstract
In the course of the monitoring of the spectral evolutions of classical and recurrent novae on the outbursts, 12 classical novae and 2 recurrent novae (U Sco, CI Aql) were observed at Padova‐Asiago Observatory in the years from 1990 to 2002. Here, I will mainly report of Nova Aql 1999‐2 (V1494 Aql). This fast nova showed unexpected large variations of the intensity ratio of Hα/Hβ in the early decline phase and variable high velocity jets were observed more than 100 days after light maximum.
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