Date of Obs. 24/11/2017 Starting time (UT) 06:05:48 Ending time (UT) 06:29:57 Number of images 500 Gband exposure time (ms) 20 Halpha exposure time (ms) 220 Location on disk (arcsec) 106.31 -141.42 Gband Image Size (pixels) 904 904 Halpha Image Size (pixels) 856 856 Plate Scale (arcsec/pixel) 0.19 0.19 --------