If you're federally funded it's possible to get access to maxar imagery for free, although it's not so straightforward (you have to go through some sort of brok

If you're federally funded it's possible to get access to maxar imagery for free, although it's not so straightforward (you have to go through some sort of broker, generally speaking, I go through the polar geospatial center). I also found that Planet is pretty generous with their academic accounts...