CHOOSING AN ASTROGRAPH
WHICH TELESCOPE SHOULD YOU CHOOSE for deep sky astrophotography? The abundance of choices in today’s market can be overwhelming, even for a technologically savvy person. Telescopes come in a great variety of optical designs, sizes and prices. A reasonable approach is to first decide what your goals are for your astrophotography. Are you intending to hunt for asteroids, comets, supernovae or otherwise contribute to science? Or is your goal to express your fascination with the universe by taking eye-catching astro-images?
Assuming the latter, that is, to photograph nebulae, galaxies and other deep sky objects (rather than the Sun, Moon and planets), your goal is thus to obtain the clearest and most detailed images of these objects.
In deep sky astrophotography under dark skies, we are limited by the amount of light we can collect on clear nights. That light is many orders of magnitude fainter than what’s available to a typical daytime photographer, and it potentially leads to a loss of fine detail and images that appear grainy. To overcome this problem,
