Date of Obs. 15/12/2020 Starting time (UT) 05:32:34 Ending time (UT) 05:34:05 Number of images 29 Gband exposure time (ms) 25 Halpha exposure time (ms) 250 Location on disk (arcsec) -556.47 -408.09 Gband Image Size (pixels) 1000 1000 Halpha Image Size (pixels) 900 900 Plate Scale (arcsec/pixel) 0.19 0.19 --------