171;Meudon Observatory;Spectroheliograph;Spectroheliograph;656.280;HALPHA;-9;Optical;COUNTS;2001-08-18T07:39:00.000;2001-08-18T07:39:00.000;2452139;0.81875000;\N;1979;1.00000;0.00000;16;997;997;415.85000;495.50000;498.50000;2.2800000;2.2800000;\N;meud_halph_fd_20010818_073900_b.fts;/home/fuller/data2/FITS/mh010818.073900.fits;2001-08-18T07:39:00.000;2001-08-18T07:39:00.000;= 'Y axis is the North/South axis of the Sun';