I have a friend that I have installed many cameras for at his different sites of operation. Yesterday he asked me about some more cameras for at his house. He wants these strictly for looking at the sky for weather. There will be no people or vehicles that will be seen since they will be placed up high. Night vision is not that important I guess since it won't matter looking at a night sky. Are there any GOOD small PTZ cameras that would fit that bill? What would you recommend? Thanks.