Quote:
Originally Posted by jsmoraes
Frames with narrow band filter have limitation of information. We just use these filters for this. Alone they hidden many informations.
They are very important when used as complement to a RGB image. To boost some details or structures.
They can be used to create some special presentation of the object. Bi-color, Hubble palette, ESO palette, crazy palette ... Some are very useful to show specifc details of object. Others, only to present a beautiful and impressive photo.
For amateurs the H alfa, O 3 and S 2 are most usual. But some others filters more professional brings amazing and astonishing informations: http://www.nasa.gov/chandra/multimed...l#.VB66yVdJdNt |
Thanks for your information. I have Ha, O3 and S2 filters. I tried using these 3 filters on Helix Friday night but was not happy with the results. I need to do a lot of testing and learning to use these types of filters. I think Horeshead may only have Ha light so it was ok. I will have another go at helix with the Ha,S2 and O3 when I get a chance. It may also not be good to use a OSC camera with these filter. Or maybe do Color and add the filters as well. Lots to learn with narrow band filters.
Charles