DSSR5 has a new scanning feature which enables cameras with small chips to produce images of the entire sun. I tried it with my DMK21 (1/4″ CCD) at prime focus on my PST which looks like this during capture.
Raw video frame
I then used the new scan function to automatically record a 5 minute video of the Sun while DSSR steered the scope to cover the entire solar surface. Registax then did its magic to produce this full disk image below.
Full solar disk produced by Registax 20150417 @ 09:30UT
This is a lot easier than mosaics and it looks like the method smooths out the PST hot spots as well. (It’s also a lot cheaper than a 1/2″ chip camera:-)
A very big thanks to Sylvain Weiller for suggesting this feature and helping me bring it to fruition.
Below are some recent scans – all taken with a 1/4″ DMK at prime focus on a PST.
Scan 20150418 @12:33UT
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