Terms of Reference
Knowing your way around the various reference systems help identify and locate interesting objects in the sky.
When you first start astronomy and astro-photography, it is not uncommon for the terminology to be impenetrable for a while. A broad understanding of the popular terms is useful before we move on too far, as well as understanding the conversations on the online forums and manufacturer’s websites. In particular, I found the multiple references to objects, time and coordinate systems extremely confusing as well as the general proliferation of strange acronyms. It took a little while to appreciate these terms. Of course, there are many other technical terms too, explained in later chapters, as needed, as well as some ...
