Date of Obs. 23/05/2019 Starting time (UT) 03:25:18 Ending time (UT) 03:50:50 Number of images 500 Gband exposure time (ms) 6 Halpha exposure time (ms) 110 Location on disk (arcsec) -630.56 -679.85 Gband Image Size (pixels) 1000 1000 Halpha Image Size (pixels) 900 900 Plate Scale (arcsec/pixel) 0.19 0.19 -------- Date of Obs. 23/05/2019 Starting time (UT) 04:23:46 Ending time (UT) 04:49:37 Number of images 500 Gband exposure time (ms) 5 Halpha exposure time (ms) 110 Location on disk (arcsec) -661.27 -668.56 Gband Image Size (pixels) 1000 1000 Halpha Image Size (pixels) 900 900 Plate Scale (arcsec/pixel) 0.19 0.19 --------