C.T.I.O Filters 6693-76 H alpha set 2 x 2 " R. Gonzalez Jan.23 1994 Wl. % 6600 0.54 6605 0.80 6610 1.08 6615 1.62 6620 2.39 6625 3.85 6630 5.96 6635 9.58 6640 17.22 6645 29.41 6650 46.60 6655 63.17 6660 77.59 6665 83.43 6670 86.63 6675 87.58 6680 87.63 6685 87.93 6690 87.60 6695 86.86 6700 86.14 6705 85.21 6710 85.41 6715 85.42 6720 86.22 6725 83.78 6730 77.28 6735 58.65 6740 41.80 6745 25.86 6750 15.19 6755 9.35 6760 5.71 6765 3.73 6770 2.47 6775 1.87 6780 1.45 6785 0.99