21;Meudon Observatory;Spectroheliograph;Spectroheliograph;656.280;HALPHA;\N;Optical;COUNTS;1997-02-20T08:37:00.000;1997-02-20T08:37:00.000;2450499;0.85902778;\N;1919;1.00000;0.00000;16;933;933;0.0000000;466.50000;475.50000;2.2800000;2.2800000;\N;meud_halph_fd_19970220_083700_b.fts;/home/fuller/data2/FITS/mh970220.083700.fits;1997-02-20T08:37:00.000;1997-02-20T08:37:00.000;= 'Y axis is the North/South axis of the Sun';