Date of Obs. 19/12/2018 Starting time (UT) 05:31:02 Ending time (UT) 05:57:06 Number of images 500 Gband exposure time (ms) 13 Halpha exposure time (ms) 200 Location on disk (arcsec) -67.90 266.68 Gband Image Size (pixels) 904 904 Halpha Image Size (pixels) 856 856 Plate Scale (arcsec/pixel) 0.19 0.19 --------