Date of Obs. 18/12/2018 Starting time (UT) 05:44:00 Ending time (UT) 05:57:31 Number of images 251 Gband exposure time (ms) 17 Halpha exposure time (ms) 230 Location on disk (arcsec) -828.19 322.48 Gband Image Size (pixels) 904 904 Halpha Image Size (pixels) 856 856 Plate Scale (arcsec/pixel) 0.19 0.19 -------- Date of Obs. 18/12/2018 Starting time (UT) 07:10:51 Ending time (UT) 07:37:38 Number of images 500 Gband exposure time (ms) 13 Halpha exposure time (ms) 200 Location on disk (arcsec) -0.05 -0.64 Gband Image Size (pixels) 904 904 Halpha Image Size (pixels) 856 856 Plate Scale (arcsec/pixel) 0.19 0.19 --------