The DIAFI narrow band filters

Spectral feature z FWHM
(nm)
Central λ
(nm)
Transmission plots Filter name
H-alpha (line) 0.0 4.0 656.3 Hα-0-4nm Halpha_656.3nm_4nm_z0
H-alpha (off-line) 0.0 4.0 665.3 Halpha_665.3nm_4nm_z0
H-alpha (line) 0.0033 7.0 658.5 Hα-7nm-set Halpha_658.5_7nm_z0.0033
H-alpha (line) 0.017 7.0 667.5 Halpha_667.5_7nm_z0.017
H-alpha (line) 0.030 7.0 676.0 Halpha_676.0_7nm_z0.030
H-alpha (line) 0.045 7.0 685.8 Halpha_685.8_7nm_z0.045
H-alpha (line) 0.0033 (Virgo) 7.0 658.5 * Hα-Virgo-7nm Halpha_658.5_7nm_z0.0033
H-alpha (off-line) 0.0033 (Virgo) 7.0 667.5 * Halpha_667.5_7nm_z0.017
H-alpha (line) 0.0 1.0 656.28 Hα-0-1nm Halpha_656.3nm_1nm_z0
H-alpha (line) 0.0 10.0 656.3 Hα-0-1&10nm Halpha_656.3nm_10nm_z0
O[III] (line) 0.05 5.5 523.2 O[III]-0.05-5.5nm OIII_523.2nm_5.5nm_z0.05

* These 'Virgo' filters are two of the 7nm FWHM filter set