Quote:
Originally Posted by alpal
Peter,
I haven't heard of that.
I'll have to google it.
Would you please be able to publish some small pics
of separate RGB frames for your Eta Carinae?
I would especially like to see a blue frame.
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OK...I've done better than that.
This is a link to a mouse-over of the blue versus H-alpha channel data, complete with spelling errors
As you will see H-alpha (a very deep, but visible red which DSLR's are quite insenstive to) dominates, with many features simply not emitting in blue at all.
Cheers