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Old 01-09-2010, 09:53 AM
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rcheshire (Rowland)
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rcheshire is offline
 
Join Date: Apr 2010
Location: Geelong
Posts: 2,617
Mine is the CLS-CCD filter, which is different to the CLS filter. It's a more recent addition to the Astronomik line, with different properties.

No problem getting rid of the blue and restoring colour. Pixinsight takes care of the background and colour calibration. Not sure about the CLS.

If someone has a raw file, I'd be interested to have a look with PI - just for fun.

Punched stars was an issue. Marc pointed out that the ED80 optics are the reason. Subsequently, I found that 3 minutes is OK without the filter, but more than 5 is necessary with the filter to avoid this issue.

Cheers,

Rowland.
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