Astronomy

9. A SCOPE IN ITS
NATURAL HABITAT
The Atacama Large Millimeter/submillimeter
Array simulates a giant, single
telescope much larger than any that
could be built. Antenna DV-21, shown
here, lies beneath the richest part of
our Milky Way, in the direction of the
constellations Scorpius and Sagittarius.
(Canon EOS 6D, 24mm lens at f/2.8, ISO
4000, 20-second exposure) • Miguel
Claro
10. A PACKED CORE
NGC 2808 is a gorgeous globular cluster
in the constellation Carina the Keel.
At magnitude 6.2, it’s visible to sharpeyed
observers from dark sites. This
object lies roughly 31,000 light-years
away. (27-inch corrected Dall-Kirkham
reflector, Finger Lakes Instruments
CCD camera, LRGB image with exposures
of 45, 5, 5, and 5 minutes, respectively)
• Damian Peach
9 10
11. LOOK FOR WHAT’S
NOT THERE
Although your eye may be drawn to
the bright-red emission nebula, it’s
the unlit area at its bottom center
that’s the prize here. Barnard 30 is a
dark nebula in the constellation Orion
the Hunter. (4-inch Takahashi FSQ-106
refractor at f/5, SBIG STL-11000 CCD
camera, HαLRGB image with 12 hours
of exposures) • Robert Fields
12. THE SKY ABOVE
THE FORBIDDEN CITY
Stars trail around the North Celestial
Pole in a time-exposure image that
captures the passage of the time
above the Forbidden City, Beijing,
China. The Forbidden City, a World
Heritage site, served as the home of
emperors as well as the ceremonial
and political center of Chinese government
for almost 500 years. (Canon 5D
Mark II, Nikkor 14-24mm f/2.8G lens set
at 14mm and f/8, ISO 400, 30-second
exposures totaling 2 hours) • Jeff Dai
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Send your images to:
Astronomy Reader Gallery, P. O. Box
1612, Waukesha, WI 53187. Please
include the date and location of the
image and complete photo data:
telescope, camera, filters, and exposures.
Submit images by email to
readergallery@astronomy.com.
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72 ASTRONOMY • JUNE 2016