Date of Obs. 09/02/2021 Starting time (UT) 04:17:51 Ending time (UT) 04:31:19 Number of images 100 Gband exposure time (ms) 15 Halpha exposure time (ms) 150 Location on disk (arcsec) -776.81 -449.96 Gband Image Size (pixels) 1000 1000 Halpha Image Size (pixels) 900 900 Plate Scale (arcsec/pixel) 0.19 0.19 --------