Average number of photoelectron for each mirror

The average photoelectron number can be obtained by fitting the corrected ADC spectrum within central region of each mirror. The number obtained by Gaussian fit here is roughly 0.8 times real number of photoelectrons.

Mirror	raw ADC spectrum			corrected ADC spectrum		$n_{ph.e.}$
	Pedestal	single ph.e.	gain	single ph.e.	main peak within central region
1	522	584.4830	2.400654	150.0	927.7238	6.19
2	453	513.9111	2.462604	150.0	1052.819	7.19
3	315	368.5581	2.800698	150.0	1198.123	7.99
4	332	397.9352	2.274963	150.0	1288.307	8.59
5	453	516.3931	2.366187	150.0	1256.652	8.38
6	563	626.9664	2.344982	150.0	1376.927	9.18
7	449	494.6154	3.288360	150.0	1545.567	10.30
8	469	542.0541	2.053273	150.0	1088.557	7.26
9	493	572.0432	1.897696	150.0	1238.512	8.26
10	559	614.5086	2.702284	150.0	1158.616	7.72