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Well done!
What exposures were you using?
I ended up with the Filly Argon for blue side calibrations....the mercury line in a typical fluoro can be used, also Robin has shown with VERY long exposures of the neon faint calibration lines can be seen in the blue....
I assume you also have a beamsplitter guider? That will be the next thing, it will allow you to close the slit a bit more and improve the resolution - obviously at the cost of even more exposure time.
Congratulations on first light!
Onwards and Upwards.
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