Date of Obs. 13/04/2017 Starting time (UT) 07:45:41 Ending time (UT) 07:57:31 Number of images 258 Gband exposure time (ms) 8 Halpha exposure time (ms) 110 Location on disk (arcsec) -420.33 277.91 Gband Image Size (pixels) 904 904 Halpha Image Size (pixels) 856 856 Plate Scale (arcsec/pixel) 0.19 0.19 --------