lavatyper

Greetings, I am in the process of getting SExtractor. I have tried a bunch of things but keep running into errors. For the time being, I am following your directions:...

Stellarium Web shows a 3-4 minute discrepancy between myself and a distance learner

3

Greetings, I am using Stellarium Web to guide a group of online distance learners around the night sky. For the sake of limiting the scope of this discussion, let's assume...