Your first idea about astrophotography, might be that you think it's a boring affair because it's about "dead" materia in the universe. But what is going on in the night sky is illustrated best
by the Star Trails Photography, i.e. the long (or frequent) exposure of the stars to capture their virtual movements due to the rotation of the earth.
Timelapse photography turns the universe into a fascinating magic living space.
Normaly, we work hard to capture the night sky with sharp pinpointed stars. But star trail photography (which existed already in the days of analog photography) intends exactly the opposite.