Date of Obs. 19/02/2018 Starting time (UT) 05:21:01 Ending time (UT) 05:47:11 Number of images 500 Gband exposure time (ms) 22 Halpha exposure time (ms) 200 Location on disk (arcsec) -1.74 -0.05 Gband Image Size (pixels) 904 904 Halpha Image Size (pixels) 856 856 Plate Scale (arcsec/pixel) 0.19 0.19 --------