57;Meudon Observatory;Spectroheliograph;Spectroheliograph;656.280;HALPHA;-9;Optical;COUNTS;1998-03-18T13:09:00.000;1998-03-18T13:09:00.000;2450891;0.047916667;\N;1934;1.00000;0.00000;16;912;926;422.35000;458.50000;468.00000;2.2800000;2.2800000;\N;meud_halph_fd_19980318_130900_b.fts;/home/fuller/data2/FITS/mh980318.130900.fits;1998-03-18T13:09:00.000;1998-03-18T13:09:00.000;= 'Y axis is the North/South axis of the Sun';