Observations of NY Ser in Crimea, 125-cm telescope, CCD ST-7 with
red filter in May 1999 '
The chart of NY Ser
Light curve of NY Ser, 6 - 11 May, 1999 Ser
The periodogram of NY Ser for outburst's dates (9-11 May)
Observations of NY Ser, folded with period 0.1076 days
