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Astronomical Information
February 2010
January 2010
Binary Stars and DSOs by Month (for the northern hemisphere)
The DVAA Presents: Challenging
Observing Programs
Observations of
Quasars - Deep Sky Observer article by Al Lamperti, Joe Lamb,
and Dick Steinberg
Constellation
Key for the Herald-Bobroff Atlas
(XLS)
courtesy of Mike Atwell
Photographic Atlas of the
globular clusters in M31.
Download a free Evening Sky Map from
Skymaps.com.
Darkest Hours Planner
(Moon rise, set and phase, sun rise and set, plus twilight times)
Estimating Limiting Magnitude
E.E. Barnards Catalog of
Dark Nebulae
Messier
Recording Sheet courtesy of Mike Atwell
List of Colored Double Stars
Available in
HTML and
PDF format, courtesy of
Wayne Reed.
The Messier List
AL Binocular Lists
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