Something I haven't done before:
Trying to focus a Nikon on stars is a complete PITA because they don't have any kind of dynamic (video) noise reduction on the live view it seems. My Canon shooting clicking buddy has a black screen with with white stars, I have a berserk flickering mess of a screen covered in colour noise among which only the brightest stars (planets) can be seen. It is virtually impossible to focus because you cannot see the aberrations that being a fraction out of focus cause until you get home and find you have wasted your time and money on a trip. GRRR!
Can I at least get the live view to display on a PC? At least that way it will all be bigger and I may have more 'luck'.