Quote:
Originally Posted by sheeny
Dennis, the 0.5A refers to the bandwidth the filter lets through. The actual wavelength of light through a hydrogen alpha filter is about 6563A , so the frequencies in image would be about 6562.75A to 6563.25A.
My experience is that seeing is similar to any other scope.
Al.
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Thanks Al, so it seems that there’s no free lunch in terms of immunity from poor seeing.
Cheers
Dennis