Download Print this page

Orion StarBlast 4.5" Instruction Manual page 12

Hide thumbs Also See for StarBlast 4.5":

Advertisement

stars. (Look at the middle star in the handle of the Big Dipper, Mizar. It is really two stars very
close together. Being able to see the two stars separate is called "Star Splitting". The gorgeous
two-color double star, Albireo, in Cygnus is a favorite. Defocusing a star slightly can help bring
out its color.
Deep-Sky Objects: Under dark skies, you can see lots of fascinating deep-sky objects, including
nebulas, star clusters, and a variety of different types of galaxies.
Most deep-sky objects are very faint, so it is important that you find an observing site well away
from light pollution. Take plenty of time to let your eyes adjust to the darkness. Do not expect these
subjects to appear like the photographs you see in books and magazines; many will look like dim
gray smudges. As you become more experienced and your observing skills get sharper, you will be
able to ferret out more and more subtle details and structure.
Deep-Sky objects, also referred to as "dim-fuzzes", are often hard to find at first but the challenge
of finding them is part of the fun. To get the most out of viewing them learn a bit about each one
before viewing them. To find deep-sky objects, look up the seasonal sky charts in the National
Audubon Society Constellations Pocket Guide (starting on pg. 34). Find your season and a clear
direction and match the stars with the chart. After locating a constellation that is high in the sky,
turn to pg. 74 and thumb through the alphabetical list of constellations and look for the heading
"Deep-Sky Objects" when you find the right page. Many constellations have numerous objects
12

Advertisement

loading