Table 1: Summary of observations: each mask is named with the identification number of its primary target. The number of slitlets, of IR-peakers included, and of measured spectroscopic redshifts are reported.

Mask	RA	Dec	PA	AM	t(exp)	N	N	N
	J2006.4	J2006.4	[deg]		[s]	(slits)	(peak)	(reds)
LH_247597	10:52:32.694	+57:46:27.896	110	1.55	3600	21	5	6
LH_575325	10:47:43.555	+59:09:22.974	131	1.35	4500	26	5	15
EN1_205467	16:09:42.168	+54:39:49.085	155	1.25	3600	24	3	18
EN1_282078	16:16:56.673	+55:32:02.568	179	1.26	5400	24	2	18
EN2_273717	16:33:33.569	+40:54:40.722	143	1.21	5400	23	3	15
LH_128777	10:59:03.752	+57:46:56.282	105	1.56	3600	29	3	11
LH_579894	10:48:09.714	+59:09:25.529	119	1.36	4500	24	6	9
EN1_341469	16:03:38.599	+54:23:52.565	180	1.23	5400	24	4	16
EN2_10334	16:42:09.003	+40:45:51.746	104	1.22	5400	25	2	20
EN2_172324	16:34:50.206	+41:00:10.745	145	1.08	4500	15	4	11

Without accounting for serendipitous sources.