I'm copying this to a new thread instead of hijacking the old one here

I have some newbie questions about capturing lunar/solar video with a ZWO OSC. I'm used to doing this with a Canon DSLR but have just moved to a ZWO ASI 183MC Pro.

According to the spec for this camera it is capable of 19fps@5496x3672 to 308fps@320X240

So a few questions if I may:

1. Is the indicated fps in the ekos video window only related to the preview and the actual capture is faster ?

2. Why I can only achieve up to around 6-8 fps when running at 5496x3672 instead of the advertised 19 ?

3. Is running the guide camera (QHY 5L) off the ASI 183 USB hub causing the issue, and it could be improved by wiring the two separately ?

4. How would I switch to the other video modes to achieve the higher frame rates ? I checked in Indilib settings for the camera but didn't see it.

Thanks to Andrew for mentioning the frame exposure times which I'll look into. Any further answers appreciated. The Sun is out of the clouds for now and it would be great to take advantage of it.

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