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Antlia 3.5nm Narrowband H-alpha

testar.com.au/.../antlia-ha-3-5nm-ultra-narrowband-filter-36mm
Frozen as ambiguous
TypeHydrogen-alpha (Hα)
SizeOther
Bandwidth3.5 nm
Users 287
Images 1794
Most often used with
ZWO ASI294MM Pro
Also available in the following variants:
1.25"
2"
36 mm
50 mm