Possible Clues:

• At dawn that sounds a noisy one
• Perhaps one who does it 30 across, in a manner of speaking, but not of late
• A noisy-sounding girl, but not for the 7 down
• Dawn deity
• -- borealis (northern lights)
• Northern lights
• Goddess trapped by Minotaur or Ariadne
• Emanation in which the colour of the sun becomes evident?
• Dawn, to the French painter, is shot through with gold
• Take gold initially to the French then a goddess