photometric-calib-SAND-4C-2015-02-16.txt
sky_T_-25_t_1200_2017-10-22_05:12:01_el90:0:0_az90:0:0-dark_sp_cs.cxy
sky_T_-25_t_1200_2017-10-22_05:12:01_el90:0:0_az90:0:0-dark_sp_cs_cp.cxy
1200
