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Table 1

Log of the Strömgren images collected with EFOSC2 on the NTT for the bulge cluster NGC 6528 and the halo cluster NGC 6752 adopted in this investigation (program ID: 085.D-0374, PI: A. Calamida).

Name Exposure time Filter RA Dec Seeing
(s) (hh:mm:ss.s) (dd:mm:ss.s) (arcsec)

NGC 6528

July 11, 2010
EFOSC.2010-07-12T03:49:59.514.fits 60 y 18:04:42.6 –30:04:56.9 0.8
EFOSC.2010-07-12T03:51:42.194.fits 200 b 18:04:42.6 –30:04:56.9 0.8
EFOSC.2010-07-12T03:55:45.076.fits 1000 v 18:04:42.6 –30:04:56.9 0.8
EFOSC.2010-07-12T04:13:08.053.fits 2000 u 18:04:42.6 –30:04:56.9 1.1

July 13, 2010
EFOSC.2010-07-14T04:03:08.983.fits 60 y 18:04:38.5 –30:05:57.0 1.1
EFOSC.2010-07-14T04:04:47.581.fits 60 y 18:04:37.4 –30:06:11.9 1.1
EFOSC.2010-07-14T04:06:44.945.fits 300 b 18:04:38.5 –30:05:57.0 1.1
EFOSC.2010-07-14T04:12:27.376.fits 300 b 18:04:37.4 –30:06:11.9 1.2
EFOSC.2010-07-14T04:18:18.498.fits 2500 v 18:04:38.5 –30:05:57.0 1.5
EFOSC.2010-07-14T05:01:01.323.fits 2100 u 18:04:38.5 –30:05:57.0 1.7

NGC 6752

July 11, 2010
EFOSC.2010-07-12T03:14:57.815.fits 3 y 19:10:53.6 –59:59:21.4 1.2
EFOSC.2010-07-12T03:15:41.972.fits 3 y 19:10:51.7 –59:58:55.4 1.2
EFOSC.2010-07-12T03:16:27.729.fits 3 y 19:10:49.6 –59:59:21.3 1.2
EFOSC.2010-07-12T03:17:35.375.fits 6 b 19:10:53.6 –59:59:21.4 1.2
EFOSC.2010-07-12T03:18:23.873.fits 6 b 19:10:51.7 –59:58:55.4 1.2
EFOSC.2010-07-12T03:19:11.922.fits 6 b 19:10:49.6 –59:59:21.3 1.2
EFOSC.2010-07-12T03:20:21.398.fits 30 v 19:10:53.6 –59:59:21.4 1.2
EFOSC.2010-07-12T03:21:34.085.fits 30 v 19:10:51.7 –59:58:55.4 1.2
EFOSC.2010-07-12T03:22:44.113.fits 30 v 19:10:49.6 –59:59:21.3 1.2
EFOSC.2010-07-12T03:24:17.518.fits 60 u 19:10:53.6 –59:59:21.4 1.2
EFOSC.2010-07-12T03:26:00.197.fits 60 u 19:10:51.7 –59:58:55.4 1.2
EFOSC.2010-07-12T03:27:42.216.fits 60 u 19:10:49.6 –59:59:21.3 1.2

July 13, 2010
EFOSC.2010-07-14T03:31:07.342.fits 10 y 19:10:53.6 –59:59:21.4 1.2
EFOSC.2010-07-14T03:31:59.032.fits 10 y 19:10:51.7 –59:58:55.4 1.2
EFOSC.2010-07-14T03:32:49.501.fits 10 y 19:10:49.6 –59:59:21.3 1.2
EFOSC.2010-07-14T03:34:01.889.fits 25 b 19:10:53.6 –59:59:21.4 1.2
EFOSC.2010-07-14T03:35:06.773.fits 25 b 19:10:51.7 –59:58:55.4 1.2
EFOSC.2010-07-14T03:36:11.228.fits 25 b 19:10:49.6 –59:59:21.3 1.2
EFOSC.2010-07-14T03:37:37.140.fits 60 v 19:10:53.6 –59:59:21.4 1.2
EFOSC.2010-07-14T03:39:18.139.fits 60 v 19:10:51.7 –59:58:55.4 1.2
EFOSC.2010-07-14T03:40:58.507.fits 60 v 19:10:49.6 –59:59:21.3 1.2
EFOSC.2010-07-14T03:42:58.503.fits 80 u 19:10:53.6 –59:59:21.4 1.2
EFOSC.2010-07-14T03:45:01.599.fits 80 u 19:10:51.7 –59:58:55.4 1.2
EFOSC.2010-07-14T03:47:01.975.fits 80 u 19:10:49.6 –59:59:21.3 1.2

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