Variations on OSC, dual narrow on the North America NGC 7000

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elgol20
elgol20 Contributing Member • Posts: 808
Variations on OSC, dual narrow on the North America NGC 7000
5

Hi,

just playing around a bit, done with ASI 2600MC at Bortle 8 sky:

L-enhance, really curious what the l-extreme can do when I get it, finally.. Clearly had to remove light pollution from OIII, not from Ha

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Best regards
_____
Stefan

 elgol20's gear list:elgol20's gear list
Nikon D800E Nikon D750 Nikon D810A Nikon AF-S Nikkor 400mm f/2.8G ED VR II Carl Zeiss Apo Sonnar T* 2/135 +8 more
elgol20
OP elgol20 Contributing Member • Posts: 808
Re: Variations on OSC, dual narrow on the North America NGC 7000

some say with dual narrowband you cannot produce ok star colors. why not? RGB is there, so, if stars are separated, one should be able to get decent star colors

Ha extraction

OIII

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Best regards
_____
Stefan

 elgol20's gear list:elgol20's gear list
Nikon D800E Nikon D750 Nikon D810A Nikon AF-S Nikkor 400mm f/2.8G ED VR II Carl Zeiss Apo Sonnar T* 2/135 +8 more
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