Thanks mgb_phys,
That's a pretty good idea too. The tilt sensor and compass are sensitive enough to do what you suggest. I'm already getting the compass heading and using that. (There's a digital compass in the device, don't need the gps for that) I think maybe a 30 degree swath of altitude...
Hi! I did find Stellarium, thanks. They are doing things in a much more 3d way than I had anticipated, but the good news is that plain old polar coordinates are working out pretty well for me.
The good news for you is that there are already several iPhone apps like this...
Hi all, hope everyone is doing well this rainy cold night. Hopefully it's not like that wherever you are. Anyhow - I hope someone can help me out.
I'm writing some software for a mobile device to create star maps. I've gotten pretty far into it. I'm using data from the Yale bright star...