Date of Obs. 20/05/2019 Starting time (UT) 03:42:13 Ending time (UT) 04:00:00 Number of images 345 Gband exposure time (ms) 5 Halpha exposure time (ms) 110 Location on disk (arcsec) 764.18 -529.24 Gband Image Size (pixels) 1000 1000 Halpha Image Size (pixels) 900 900 Plate Scale (arcsec/pixel) 0.19 0.19 -------- Date of Obs. 20/05/2019 Starting time (UT) 04:00:03 Ending time (UT) 04:08:00 Number of images 155 Gband exposure time (ms) 5 Halpha exposure time (ms) 110 Location on disk (arcsec) 765.75 -529.50 Gband Image Size (pixels) 1000 1000 Halpha Image Size (pixels) 900 900 Plate Scale (arcsec/pixel) 0.19 0.19 --------