How to make a sketch
Observing astronomical objects through a telescope can be a thrill. Realizing you are looking at a star that exploded and left a planetary nebula or seeing a galaxy millions of light years distant or looking at an emission nebula like the Great Orion Nebula where new, hot stars are still being formed can be awe inspiring. Most amateur astronomers will want to have a record of the things they observe. One way to do that is taking notes to permanently record how a particular object looked through the eyepiece and these notes can be compared with notes taken with different telescopes or compared with other astronomers. Another way is astrophotography. Taking pictures through the telescope can be done with relatively simple cameras but for the more professionally looking images one needs rather expensive equipment. Read more
