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Old 14-05-2018, 08:04 AM
Placidus (Mike and Trish)
Narrowing the band

Placidus is offline
 
Join Date: Mar 2011
Location: Euchareena, NSW
Posts: 3,719
That worked brilliantly from the point of view of tiny Takahashi stars and sharper H-alpha nebulosity, but sadly it did lose a lot of the blue nebulosity.

If you think you can stand it, you could aim for a halfway house. There are many ways to do this.

In Photoshop for example, you can set the H-alpha as a luminance layer, and then adjust the transparency of the luminance layer to produce a best compromise where you've still got plenty of blue but the stars are still small.

Hope I'm not being obnoxious.

Best,
Mike
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