| cweinhei |
| (sage) |
| 07/01/09 03:51 PM |
Re: Which H-alpha filter?
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Have you tried a 7nm or 13nm H-alpha filter in combination with a Hutch IDAS filter? Does that help get rid of the halos?
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Have you tried a 7nm or 13nm H-alpha filter in combination with a Hutch IDAS filter? Does that help get rid of the halos? |