Date of Obs. 21/05/2019 Starting time (UT) 03:14:58 Ending time (UT) 03:25:05 Number of images 200 Gband exposure time (ms) 5 Halpha exposure time (ms) 105 Location on disk (arcsec) 736.68 -569.36 Gband Image Size (pixels) 1000 1000 Halpha Image Size (pixels) 900 900 Plate Scale (arcsec/pixel) 0.19 0.19 --------