Columns refer to the following headings: File ID DATE TIME(UT) Active Region# Filter Pos. t2004_0131_164721 01/31/2004 16:47:21 546 90 mA Red t2004_0131_165142 01/31/2004 16:51:42 546 90 mA Blue t2004_0131_171111 01/31/2004 17:11:11 547 90 mA Red