KPNO 4-Inch Filter List KPNO 4-Inch Filters Filter FWHM (Å) CWL (Å) Telescope Instrument Plot Data Comments Washington C KPNO 2.1-meter Telescope KPNO 4-Inch Filters Washington C Washington C Gunn u KPNO 2.1-meter Telescope KPNO 4-Inch Filters Gunn u Gunn v KPNO 2.1-meter Telescope KPNO 4-Inch Filters Gunn v Gunn v SDSS z' 0.00 8325.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters SDSS z' SDSS z' Sloan Digital Sky Survey set Gunn z 0.00 8495.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Gunn z Gunn z RG850 Mike Irvin's Z 0.00 8525.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Mike Irvin's Z Mike Irvin's Z RG1000 0.00 10000.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-beta narrow 25.00 4876.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-beta narrow H-beta narrow [S III] 27.00 9545.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters [S III] [S III] George Jacoby's filter 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 kp1548 39.00 3736.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters kp1548 kp1548 Replaces 1277 1278; damaged coating? [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 kp803 53.00 4754.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters kp803 kp803 Edge deterioration, replaced by KP1573 - Not available [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 kp1389 53.00 5026.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters kp1389 kp1389 Andover Hale-Bopp NH 55.00 3362.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters kp1573 55.00 4767.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters kp1573 kp1573 Replaces KP803 Hale-Bopp Green Continuum 55.00 5261.00 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 OH 57.00 3095.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters kp804 57.00 4859.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters kp804 kp804 Coating deteriorated, replaced by KP1574 - Not available Hale-Bopp CN 57.00 3871.00 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 Red Continuum 60.00 7134.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Hale-Bopp Blue Continuum 62.00 4449.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters HBeta 63.00 4871.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters HBeta HBeta Replaces 804 H-alpha_2 67.00 6573.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha_2 H-alpha_2 set2 kp809 67.00 6488.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters kp809 kp809 Minor edge separation H-alpha +6nm 67.00 6620.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha +6nm H-alpha +6nm Andover 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-alpha14_2 71.00 6709.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha14_2 H-alpha14_2 =+14nm set2 H-alpha 72.00 6587.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha H-alpha Andover 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-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 Hale-Bopp UVC 78.00 3448.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters 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 +22nm 78.00 6786.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha +22nm H-alpha +22nm 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 +9nm 84.00 6658.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha +9nm H-alpha +9nm set1 H-alpha 84.00 6567.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha H-alpha Andover [set1?] kp808 88.00 6411.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters kp808 kp808 Minor coating deterioration H-alpha 89.00 6572.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha H-alpha Some edge deterioration kp814 117.00 6907.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters kp814 kp814 possible edge deterioration Hale-Bopp C2 117.00 5136.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Stromgren v 159.00 4103.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Stromgren v Stromgren v H-beta wide 173.00 4871.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-beta wide H-beta wide Washington 51 174.00 5142.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Washington 51 Washington 51 Replaces KP1525 Hale-Bopp H2O 177.00 7021.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Pagination Showing 1-50 of 105 1 Page 2 Last page …3 Next page Next Updated on May 7, 2021, 7:57 am