Columns refer to the following headings: File ID DATE TIME(UT) Active Region# Filter Pos. t2004_0221_163223 02/21/2004 16:32:23 562 90 mA Red t2004_0221_163623 02/21/2004 16:36:23 562 90 mA Blue t2004_0221_164044 02/21/2004 16:40:44 562 90 mA Blue