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Old 24-07-2018, 08:25 PM
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Atmos (Colin)
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Join Date: Aug 2011
Location: Melbourne
Posts: 6,393
Originally Posted by Merlin66 View Post
Basically yes....
I have an ASI 174MM I use for solar imaging but find I need an effective focal length >1000mm for it to work "well" for me.
I recently purchased the ASI 183, with much smaller pixels for use on the ED80 (600mm focal length) but this was returned to ZWO due to "technical issues when imaging extreme narrowband" - ie Ha solar!
They replaced it with an ASI 1600MM which also has smaller pixels than the ASI 174 and I'm testing it at the moment......
Why was the 183 not suitable for solar out of interest?
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