Table A.1: Standard stars used for the magnitude scale definition of each observed field.

Field	GSC2 name	RA(2000)	Dec(2000)	R mag
1002-00	S12121203157	10 03 07.247	-00 20 52.80	15.88
1026-00	S12120004610	10 25 54.636	-00 04 05.29	15.81
1036+01	N20310011951	10 36 03.198	+01 57 50.01	16.67
1045+00	N20020123674	10 45 27.082	+00 26 38.51	16.63
1053-00	S12013102499	10 53 59.120	-00 57 07.98	15.78
1055-01	S12013134345	10 55 45.967	-01 26 38.83	15.83
1106+00	N2002102736	11 06 44.789	+00 04 23.30	15.56
1134+00	N2000210760	11 34 24.908	+00 09 22.80	16.25
1139-02	S12003215130	11 38 55.494	-02 03 48.55	16.34
1140-00	S12000102281	11 40 18.739	-00 30 28.04	16.65
1141-00	S12000102432	11 41 38.253	-00 28 24.10	16.59
1145-02	S1200322301	11 45 19.259	-02 48 24.62	15.96
1145+00	N20000211863	11 45 50.451	+00 14 28.74	15.81
1159-02	S1200031962	11 59 21.166	-02 43 03.89	15.11
1200+00	N12000001088	12 00 22.134	+00 06 25.84	16.42
1205-00	S20000021747	12 05 55.459	-00 40 07.58	16.13
1208-00	S20000021893	12 08 00.074	-00 38 42.07	15.10
1218-01	S20003101017	12 18 36.504	-01 16 31.96	16.47
1223-01	S20002112306	12 23 42.524	-01 53 01.92	15.85
1234-01	S20002021494	12 34 40.338	-01 29 28.60	15.27
1254-01	S20021311531	12 54 34.142	-01 15 54.62	15.39
1300-02	S20023213907	13 00 19.358	-02 24 31.19	16.35
1316-00	S20020122684	13 16 41.468	-00 27 21.27	16.28
1328+00	N1201000669	13 28 22.040	+00 03 58.83	16.29
1400+00	N12121213738	14 00 15.893	+00 23 41.79	15.98
1402-01	S2021232715	14 02 06.761	-01 26 44.35	16.42
1409-00	S20212017779	14 09 07.170	-00 00 37.65	16.02
1410-02	S20232014778	14 10 42.436	-02 27 13.09	16.27
1425-01	S20201311703	14 25 20.602	-01 18 56.53	16.13