SkyandTelescope.com March 2014 75◀ (^) TWILIGHT COMET
Barry Burgess
Comet ISON C/2012 S1 is seen over
Port Medway, Nova Scotia, shortly
before dawn on the morning of
November 22, 2013.
Details: Canon EOS 5D Mark III
DSLR with 70-to-300-mm zoom lens at
300 mm. Total exposure was 4 seconds.
▴ (^) LAKELAND SKIES
Tunç Tezel
The pinkish color of the Eta Carinae
Nebula is visible just above the South-
ern Cross as seen from Lakeland in
Queensland, Australia.
Details: Hutech modifi ed Canon EOS 5D
DSLR camera with 24-mm lens. Total
exposure was 25 seconds.
◀ (^) CLUSTER EFFECT
Jim Collins
Winds and radiation from the hot
young stars of NGC 6823 near the
center of this photo are slowly dispers-
ing the dark nebulous towers of NGC
6820 in Vulpecula. North is to the left.
Details: Deep Sky Instruments RC10C
Ritchey-Chrétien refl ector with Finger
Lakes Instrumentation ML11002 CCD
camera. Total exposure was 45 hours
through narrowband fi lters. ✦
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GAL layout.indd 75 12/23/13 11:36 AM