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So how do you know your SN is not an asteroid? If you are imaging with the same equipment what do you need plate rotation and scaling for? The overlay does not get called unless instigated by the user and you can choose not to solve for moving target detection!
Unless your SN is mag 22 or fainter then you have a very strong case for not being an Asteroid and most amateurs doing SN searches will be luckly to detect a mag 19 or fainter SN....
Maxims auto rotate and scale does not always work either. I have plenty of examples where it fails dismally. Platesolving is just as quick as MaxIms alignment routines (at least on my systems we are talking less than 1-2 seconds) and platesolving is perhaps just as accurate and reliable as Maxims auto align routines. Perhaps the difference is scripting....
But how many amateurs out there have automated systems bouncing from one target to the next? If they use an automated system then the image should be platesolved already to verify that they were pointed at the right part of the sky!
I don't see how image subtraction is any better than blinking in any case. In amateur equipment and amateur skys you are going to get more variations from sky quality than software can do for image subtraction resulting in false positives. Blinking will make it glaringly obvious that sky quality needs to be considered.
So where does science end and a race begin? Is it about doing the science and making or assisting in a discovery or just getting the credit? You make 1 discover or 100 - you still have made a discovery.....
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