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Constellation
Report
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| Our Constellation
Report is an easy way for people to
become familiar with the nighttime sky. We’ll discuss myths associated
with a particular constellation as well as describing the numerous deep
sky objects residing within its boundaries. No equipment is required to view the
constellations, though a star chart can be quite helpful. This ease of
observing makes constellations a natural place to begin your journey to
the stars.
This weekend we move on to the constellation
Equuleus
the Foal.
Equuleus and Pegasus, which we
covered last week, represent the equestrian section of the sky.
Equuleus sits to the southwest of Pegasus
and to the southeast of Delphinius,
placing it almost directly overhead after dark.
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Deep
Sky Report
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| Let's
be upfront on this one... every single object in this constellation is
tough. Each could be a difficult Utah Skies Challenge Object. In fact, the
brightest object is this weeks Utah Skies Challenge object. This is why
we're covering this one on the weekend of the full moon.
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There are a handful of nice binary star systems in Equuleus (mag4.5).
First up is Delta Equulei. This system is made up of stars of nearly equal
luminosity... each about mag4. However, with a separation of only about
0.35", this is one tough pair to split. Studies have indicated that
the two are physically separated by only about 4.6AU... less than the
distance from the Sun to Jupiter.
Next is Epsilon Eqquei (mag5.3).
This multiple star system is actually made up of three stars. The first
two are close, ranging between 0.1" and 1.1" while the other,
somewhat fainter star is about 10.9" away.
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 Let's
start... and end things with this weeks Utah
Skies Challenge Object, Spiral Galaxy NGC7015(mag13).
This
object is pretty small at only 2' across. You're definitely going to work
for this one... and.... this was the easiest object in the entire
constellation.
Good Luck!
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Did you ever consider... |
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"Theft from a single author is plagiarism - from three or more it is research." |
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