Table 1: The spectroscopic observing log of II Peg.

JD(Hel.)	Phase	Exp. time (s)	S/N
1. July-Aug. 1999
2451386.2233	0.1748	3600	200
2451386.2764	0.1827	5400	200
2451387.2450	0.3267	5400	170
2451387.3096	0.3363	5400	180
2451388.2278	0.4729	5400	150
2451388.2946	0.4828	5400	120
2451389.2245	0.6211	5400	120
2451389.2937	0.6314	3600	120
2451391.1983	0.9146	3600	160
2451392.2233	0.0671	5400	140
2451392.2681	0.0737	1800	140
2451392.3010	0.0786	3600	200
2. Feb. 2000
2451593.9570	0.0676	2400	170
2451594.9589	0.2166	2400	160
2451595.9625	0.3659	3600	85
2451596.9567	0.5137	3600	120
2451597.9602	0.6629	3000	170
2451598.9557	0.8110	3000	150
3. Nov.-Dec. 2001
2452237.0161	0.6993	1800	160
2452238.0092	0.8470	5400	160
2452238.9832	0.9918	3300	190
2452239.9882	0.1413	4200	160
2452240.9630	0.2862	2400	160
2452242.9929	0.5881	4500	190
2452243.9588	0.7317	2400	200
2452244.9763	0.8831	4800	190