Cataclismic variable stars

V5579 Sgr (Nova Sgr 2008), was discovered by ASAS (according to VSNET-ALERT 10075) on 16^th of April 2008 like a star 11.7 mag, which coordinates (J2000, according to AAVSO Special Notice #105) are: α: 18^h05^m58.9^s, δ: -27° 13′ 56″.3

"Pi of the Sky" images 100x100 arcmin (click at the picture to enlarge):

Our light curve (click at the picture to enlarge):

And some of our data points:

Some of our observations
HJD	Date	UT	magnitude
2454573.836	2008.04.17	8:01	9.74
2454575.836	2008.04.19	7:59	9.22
2454576.836	2008.04.20	8:00	8.63
2454577.833	2008.04.21	7:56	8.34
2454578.837	2008.04.22	8:01	7.40
2454585.833	2008.04.29	7:55	8.16
2454586.841	2008.04.30	8:05	8.55
2454587.836	2008.05.01	7:58	8.59
2454588.841	2008.05.02	8:06	8.62
2454589.838	2008.05.03	8:01	8.82
2454590.843	2008.05.04	8:08	9.10
2454591.836	2008.05.05	7:58	9.26
2454592.842	2008.05.06	8:06	9.31
2454593.838	2008.05.07	8:00	9.21
2454594.662	2008.05.08	3:47	9.42
2454594.845	2008.05.08	8:10	9.65
2454595.658	2008.05.09	3:41	9.87
2454595.836	2008.05.09	7:58	9.95
2454596.659	2008.05.10	3:43	10.07
2454596.843	2008.05.10	8:07	10.02
2454597.641	2008.05.11	3:17	10.61