Narrow and Medium-band Filters
from 4500 to 4999 Angstroms,
kept at the 3-meter

Central Wavelength	FWHM	Notes	Measured Wavelength/Widthd
4500	400	Borrowed in 1997 by Chris Simpson & Dan Stern. Never returned.
4512	60	Plot,Tableb, periphery degraded, central 1 inch ok.	4514/49
4545	60	Plot,Tableb, periphery degraded, central 1 inch ok.	4543/49
4550	80	Plot,Tableb, 2-inch round. Periphery degraded, central 1 inch ok.	4552/72
4578	60	Plot,Tableb, periphery degraded, central 2 cm ok.	4581/52
4614	20	Plot,Tableb, also labeled HES1240, 2" round. Periphery degraded, only central 1 cm ok.	4622/23
4624	47	Plot,Tableb, very thick.	4627/68
4625	100	Plot,Tableb, 2-inch round filter, small chip on edge of blue-green side, labeled HES. In 120" Guider. Periphery degraded, central 1.5 cm ok.	4673/100
4633	30	Missing - empty holder in filter library.
4644	60	Plot,Tableb	4645/54
4677	60	Plot,Tableb, slight degradation of periphery, central 3 cm ok.	4680/55
4710	60	Plot,Tableb, periphery degraded, central 2 cm ok.	4712/56
4743	60	Plot,Tableb, periphery degraded, central 1 inch ok.	4739/56
4750	400	Plot,Tableb	4776/379
4776	60	Plot,Tableb, periphery degraded, central 1 inch ok.	4775/58
4809	60	Plot,Tableb	4845/39
4838	32	Plot,Tableb, periphery very degraded, central 1 inch ok.	4844/39
4845	60	Plot,Tableb, 1.5-inch round filter	4841/56
4861	40	Plot,Tableb, labeled 4861.3/40, 2-inch round.	4868/35
4875	60	Plot,Tableb	4878/59
4900	800	Thuan-Gunn g
4908	60	Plot,Tableb	4913/61
4941	90	Plot,Tableb	4946/60
4974	60	Plot,Tableb	4972/64
4985	80	Plot,Tableb, 2-inch round filter	4989/86

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^bMeasured by E.Gates, 2012.
^cMeasured by B. Dupraw, 2012.
^dGaussian fit to 2012 plot.