KPNO 4-Inch Filter List KPNO 4-Inch Filters Filter FWHM (Å) CWL (Å) Telescope Instrument Plot Data Comments [O III] 45.00 5008.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters [O III] [O III] [O III] -2 49.00 5011.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters [O III] -2 [O III] -2 new 10/2011 [O III] redshifted 53.00 5022.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters [O III] redshifted [O III] redshifted George Jacoby's filter [S III] 27.00 9545.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters [S III] [S III] George Jacoby's filter Bessell System k p 1175.00 5470.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Bessell System k p Bessell System k p BG-39 2390.00 4679.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters BG-39 BG-39 BG12 1015.00 4299.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters BG12 BG12 1mm + GG385 2mm GG385 994.00 4363.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters GG385 GG385 2mm + BG12 2mm Gunn g 706.00 4961.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Gunn g Gunn g Gunn I 1289.00 8156.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Gunn I Gunn I Gunn r 790.00 6484.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Gunn r Gunn r Gunn r 803.00 6527.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Gunn r Gunn r B1/K1 Gunn u 508.00 3463.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Gunn u Gunn u Gunn u KPNO 2.1-meter Telescope KPNO 4-Inch Filters Gunn u Gunn v 472.00 3969.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Gunn v Gunn v 3mmBG38, 4mmUG3, 1mmBG1, 1mmGG385 Gunn v KPNO 2.1-meter Telescope KPNO 4-Inch Filters Gunn v Gunn v Gunn z 0.00 8495.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Gunn z Gunn z RG850 H-alpha 84.00 6567.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha H-alpha Andover [set1?] H-alpha 89.00 6572.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha H-alpha Some edge deterioration H-alpha 72.00 6587.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha H-alpha Andover H-alpha +13nm 78.00 6691.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha +13nm H-alpha +13nm set1 H-alpha +18nm 83.00 6746.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha +18nm H-alpha +18nm set1 H-alpha +22nm 78.00 6786.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha +22nm H-alpha +22nm set1 H-alpha +27nm 75.00 6832.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha +27nm H-alpha +27nm set1 H-alpha +31nm 76.00 6877.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha +31nm H-alpha +31nm set1 H-alpha +6nm 67.00 6620.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha +6nm H-alpha +6nm Andover H-alpha +9nm 84.00 6658.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha +9nm H-alpha +9nm set1 H-alpha narrow 29.00 6560.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha narrow H-alpha narrow has red leak H-alpha_2 67.00 6573.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha_2 H-alpha_2 set2 H-alpha14_2 71.00 6709.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha14_2 H-alpha14_2 =+14nm set2 H-alpha6_2 74.00 6618.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha6_2 H-alpha6_2 =+6nm set2 H-alpha9_2 68.00 6653.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha9_2 H-alpha9_2 =+9nm set2 H-beta narrow 25.00 4876.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-beta narrow H-beta narrow H-beta wide 173.00 4871.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-beta wide H-beta wide Hale-Bopp Blue Continuum 62.00 4449.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Hale-Bopp C2 117.00 5136.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Hale-Bopp C3 57.00 4061.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Hale-Bopp CN 57.00 3871.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Hale-Bopp CO 56.00 4265.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Hale-Bopp Green Continuum 55.00 5261.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Hale-Bopp H2O 177.00 7021.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Hale-Bopp NH 55.00 3362.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Hale-Bopp OH 57.00 3095.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Hale-Bopp Red Continuum 60.00 7134.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Hale-Bopp UVC 78.00 3448.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Harris B 1069.00 4312.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Harris B Harris B new 7/98 Harris B 1061.00 4334.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Harris B Harris B 2.1 meter set Harris B 1020.00 4340.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Harris B Harris B Not available Harris R 1541.00 6425.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Harris R Harris R Not available Harris R 1472.00 6458.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Not available Pagination Showing 1-50 of 105 1 Page 2 Last page …3 Next page Next Updated on May 7, 2021, 7:57 am