Thread: New 7 Nm Hydrogen Alpha images
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Old 01-08-2005, 10:58 PM
Raymond
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Join Date: Dec 2004
Location: Hong Kong
Posts: 31
Dear Scott,

I now have Baader's 45nm Ha and 8nm OIII filters. While the OIII is narrow band, the present 45nm Ha is not narrowband.

Will Baader release other narrowband filter such as SII ?

Raymond
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