Well that will be discussed at a later time. I don't know about first dates. I like to get to know a person over the phone or through messaging first and then go out somewhere but usually that's only to dinner or to a small party or something.
If you're into star-gazing, going somewhere away from light pollution with my telescope could suffice as a good third date or later. (I think it would be unbecoming to meet for the first time in a dark and secluded place no matter how great "telescopery"* is.)
* telescopery - n. ( TE-luh-SKO-per-EE )
1. the act of using or operating a telescope while having no idea what you're doing, often just after thick clouds have rolled in.
2. using a telescope that is out of calibration, especially after you just calibrated it earlier in the day before transport.