HKO Filters


Broad-Band Filters (transmissivity curve available from name link)

HKO Number Name Central
Wavelength [A]
Bandwidth [A] Size/Shape Manufacturer/Number Date Received Quality
HKO_001 Johnson-Cousins UV 3600 600 50mm square Astrodon (UV*_50s) 05/13/2016 Good
HKO_002 Johnson-Cousins B 4200 1100 50mm square Astrodon (B***_50s) 05/13/2016 Good
HKO_003 Johnson-Cousins V 5500 1000 50mm square Astrodon (V*_50s) 05/13/2016 Good
HKO_004 Johnson-Cousins Rc 6500 1400 50mm square Astrodon (Rc*_50s) 05/13/2016 Good
HKO_005 Johnson-Cousins Ic 8200 1800 50mm square Astrodon (Ic*_50s) 05/13/2016 Good
HKO_010 Sloan u' 3525 650 50mm square Astrodon (u'2_50s) 05/13/2016 Good
HKO_011 Sloan g' 4755 1490 50mm square Astrodon (g'2_50s) 05/13/2016 Good
HKO_012 Sloan r' 6285 1257 50mm square Astrodon (r'2_50s) 05/13/2016 Good
HKO_013 Sloan i' 7695 1490 50mm square Astrodon (i'2_50s) 05/13/2016 Good
HKO_014 Sloan z' 9500 >3000 50mm square Astrodon z'2_50s) 05/13/2016 Good


Narrow-Band Filters (transmissivity curve available from name link)

HKO Number Name Central
Wavelength [A]
Bandwidth [A] Size/Shape Manufacturer/Number Date Received Quality
HKO_120 OIII 5007 50 50mm square Astrodon (OIII5_50S) 05/13/2016 Good
HKO_150 Halpha_1 6563 30 50mm square Astrodon (HA3_50S) 05/13/2016 Good
HKO_151 Halpha_2 6563 50 50mm square Astrodon (HA5_50S) 05/13/2016 Good
HKO_170 NII 6584 30 50mm square Astrodon (NII3_50S) 05/13/2016 Good
HKO_180 SII 6716 50 50mm square Astrodon (SII5_50S) 05/13/2016 Good
HKO_190 Red Cont. 6540 50 50mm square Astrodon (RedCon5_50S) 05/13/2016 Good


LRGB

HKO NumberNameSize/ShapeManufacturer/NumberDate ReceivedQuality
HKO_500LRGB E-series50mm squareAstrodon (LRBG2_E50S)05/13/2016Good


Exo-Planet


HKO NumberNameSize/Shape/InfoManufacturer/NumberDate ReceivedQuality
HKO_600EXOPBB50mm square, transmission > 500nmAstrodon (EXOPBB_50S)05/21/2017Good