It was a dark night without stars and moon, and the dark sky was like fine velvet. It was obviously the most suitable place to be decorated with bright stars, but it was sewn on by irresponsible seamstresses with a heavy layer of dangling gray clouds.
God knows how much he wants to see the sky full of stars at this time, the kind of scene that makes people feel bright to the bottom of their hearts...
He was not going to raise his wand to disperse the dark clouds. This was what the Potters would do. He, Master Malfoy, was not that stupid. The stars were out, and so was the professor on night watch.
He just looked and looked.
Look as if you can see a sliver of starlight.