If you would want to capture live satellite data at home, you could look into the cheap ($10) RTL-SDR usb radio module in combination with a Raspberry PI

Setup would look someting like this:

And you could receive images that looks similar to this:

Also a interesting DIY satellite project is Outernet

This project requires the same hardware as the above project but this project also provides a option to buy custom hardware to receive the signals.

They send 20MB of data direct from there satellite for you to receive everyday.

You can do suggestions for data to be included through there website.

https://outernet.is/
https://en.wikipedia.org/wiki/Outernet