It wasn't supposed to be a difficult game and I'm curious to know where you struggled the most. But I guess a bit of challenge is what makes fun puzzles :)Thank you for playing!
3rd constellation, the center star and the rightmost one. The moving clouds don’t let me complete the stars… =)
Have you noticed you can you the reflection of the ray in the lake? It's shouldn't be too precise like that :)
… I’m an idiot. =P