Date of Obs. 31/01/2018 Starting time (UT) 04:34:14 Ending time (UT) 05:00:00 Number of images 327 Gband exposure time (ms) 20 Halpha exposure time (ms) 200 Location on disk (arcsec) -665.97 -59.58 Gband Image Size (pixels) 904 904 Halpha Image Size (pixels) 856 856 Plate Scale (arcsec/pixel) 0.19 0.19 -------- Date of Obs. 31/01/2018 Starting time (UT) 05:00:03 Ending time (UT) 05:48:24 Number of images 678 Gband exposure time (ms) 20 Halpha exposure time (ms) 200 Location on disk (arcsec) -659.23 -58.92 Gband Image Size (pixels) 904 904 Halpha Image Size (pixels) 856 856 Plate Scale (arcsec/pixel) 0.19 0.19 -------- Date of Obs. 31/01/2018 Starting time (UT) 07:20:41 Ending time (UT) 07:41:14 Number of images 362 Gband exposure time (ms) 20 Halpha exposure time (ms) 200 Location on disk (arcsec) -667.82 -47.77 Gband Image Size (pixels) 904 904 Halpha Image Size (pixels) 856 856 Plate Scale (arcsec/pixel) 0.19 0.19 --------