Date of Obs. 27/10/2017 Starting time (UT) 05:07:17 Ending time (UT) 05:35:40 Number of images 558 Gband exposure time (ms) 12 Halpha exposure time (ms) 110 Location on disk (arcsec) -24.69 -224.23 Gband Image Size (pixels) 904 904 Halpha Image Size (pixels) 856 856 Plate Scale (arcsec/pixel) 0.19 0.19 --------