Date of Obs. 30/04/2020 Starting time (UT) 04:10:00 Ending time (UT) 04:35:37 Number of images 500 Gband exposure time (ms) 7 Halpha exposure time (ms) 110 Location on disk (arcsec) 343.97 -65.72 Gband Image Size (pixels) 1000 1000 Halpha Image Size (pixels) 900 900 Plate Scale (arcsec/pixel) 0.19 0.19 --------