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Astrodon H-alpha 3nm

farpointastro.com/.../astrodon-3-nm-hydrogen-alpha-filter
Frozen as ambiguous
TypeHydrogen-alpha (Hα)
SizeOther
Bandwidth3 nm
Users 485
Images 4975
Most often used with
ZWO ASI1600MM Pro
Known retailers High Point Scientific
Also available in the following variants:
1.25"
31 mm
36 mm
50 mm
50x50 mm
65x65 mm