I want to take pictures of the Milky Way or a lunar eclipse or earth glow on the moon, but I don't have an equatorial tracking mount, and don't want to spend that much money on one.
How can I get clear, low-noise shots of things in the night sky without noticeable motion blur, without spending too much money? Is it possible to build a DIY tracking mount? Are there other techniques or devices that could help?
Answer
There are some DIY options out there, and not all that hard to make if you're willing to spend some time and have attention to detail. The simplest forms are the "barn door" mounts which are basically two pieces of hinged wood with a screw that it is turned on an interval to compensate for the Earth's motion.
Anyways, Catching the Light has a writeup of all the mount options, including additional details for the DIY inclined. The site, in general, is a very good resource for those into astrophotography.
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