Date of Obs. 02/12/2020 Starting time (UT) 04:39:12 Ending time (UT) 05:00:00 Number of images 313 Gband exposure time (ms) 11 Halpha exposure time (ms) 150 Location on disk (arcsec) 504.50 -314.83 Gband Image Size (pixels) 1000 1000 Halpha Image Size (pixels) 900 900 Plate Scale (arcsec/pixel) 0.19 0.19 -------- Date of Obs. 02/12/2020 Starting time (UT) 05:00:04 Ending time (UT) 05:12:22 Number of images 187 Gband exposure time (ms) 11 Halpha exposure time (ms) 150 Location on disk (arcsec) 511.93 -314.76 Gband Image Size (pixels) 1000 1000 Halpha Image Size (pixels) 900 900 Plate Scale (arcsec/pixel) 0.19 0.19 --------