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Blogs about: Surveys Catalogs

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Cost-effective Catalina2 comments

John Rachlin wrote 3 months ago: The Catalina Sky Survey is a NASA-funded effort to identify near-earth objects, or NEOs, whose orbit … more →

Tags: Amateur Astronomy, Asteroids, variable stars

Paper of the Day: Great Surveys of the Universe

John Rachlin wrote 3 months ago: Last April, Dr. Steven Myers of the National Radio Astronomy Observatory published a position paper … more →

Scary Asteroids! How huge sky surveys and little pushes will save the Earth.1 comment

John Rachlin wrote 1 year ago: When I was growing up in the 70’s and 80’s, the opportunities available to the amateur f … more →

Tags: Amateur Astronomy, Asteroids

Long-Period Variables and the AAVSO3 comments

John Rachlin wrote 1 year ago: As described in my last post, I recently became interested in variable stars.   The American Associa … more →

Tags: Amateur Astronomy, variable stars

LSST and Pan-STARRS

John Rachlin wrote 1 year ago: It was announced yesterday that the LSST’s giant 8.4 primary mirror blank (molded together wit … more →

Tags: Technologies

Open clusters and the CDS

John Rachlin wrote 1 year ago: Dispersed throughout the Milky Way are thousands of galactic (or ‘open’) star clusters, so named bec … more →

Tags: Open Clusters

Zooming in on a star atlas

John Rachlin wrote 1 year ago: The series of images below will give some impression as to the image content  of recent deep sky sur … more →

Browsing surveys

John Rachlin wrote 1 year ago: For fun I have been poking around a number of astronomical surveys and thought it would be interesti … more →


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