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Old 11-12-2020, 08:21 PM
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Peter Ward
Galaxy hitchhiking guide

Peter Ward is offline
 
Join Date: Dec 2007
Location: The Shire
Posts: 8,484
Quote:
Originally Posted by TrevorW View Post
Hi Peter nice image plenty of detail and pin point sharp as usual, just a question would the Baader H-alpha filter works Ok with a OSC camera
Much is written elsewhere about why NB filters with OSC cameras is not a good idea....

In short any brand of H-alpha filter with a OSC is not something I'd recommend.

On the subject of filters however, I note the $AUD is slowly rising against the $USD.

Humm...if this keeps up, I can see a set of AstroDons on my QHY rig in the New Year

P.S. returning to OSC and h-alpha filters. Say you have a RGGB Bayer on your camera.
With a h-alpha filter, you have just killed the signal from the GGB pixels and placed a ND filter
over the R pixels.....Sure you will still get a signal...but not very much compared to a Mono camera.

Last edited by Peter Ward; 12-12-2020 at 09:52 AM.
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