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Definitely getting there. Getting the spectrum horizontal and centred on the chip helped hugely, as did being meticulous with focus.
A quick question - are gratings bidirectional? That is, is there a "front" and a "back" to the optics, or doesn't it matter? If it doesn't meter, the I've found an easy way to mount the grating closer to the chip.
This spectral stuff is quite addictive. It's wonderful to be able to peer *into* the stars, even at the low resolution of the SA. But even after a week I'm thinking about an Alpy 600, and ogling the LhiresIII
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