Date of Obs. 15/03/2017 Starting time (UT) 04:19:52 Ending time (UT) 04:42:54 Number of images 500 Gband exposure time (ms) 8 Halpha exposure time (ms) 110 Location on disk (arcsec) 371.46 8.93 Gband Image Size (pixels) 904 904 Halpha Image Size (pixels) 856 856 Plate Scale (arcsec/pixel) 0.19 0.19 --------