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ASI120MM as a guider
There has been a bit of speculation of the use of the new ASI120MM cameras as a guider and so I thought that I would give others some idea of its potential.
I used a 72mm guidescope and was taking 10 minute exposures of NGC2070 and took a few screen grabs while guiding was in progress.
The first image is of the whole screen of the capture program (Sequence Generator Pro) with the PhDGuiding graph presented in the top right while the next is a close up of a small star cluster to demonstrate the roundness of the stars produced. The last image is a HFR analysis of the stars in the image that the capture program (Sequence Generator Pro) uses to do automatic focusing etc.
From the results presented it can be seen that the guider works very well and makes it a dual purpose camera for taking planetary images as well as a good guider. The guide screen is very clear and since dark frame subtraction is possible, very clean.
Hope this is of interst to others.
Allan
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