Very Rare Superoutburst of PR Herculis
Winchester Observatory has monitored hundreds of variable stars with an automated imaging system over the last nine years. Most are run of the mill long period variables (mainly Mira-type stars) that...
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Solar Eclipses and Totality
IN THE DISTANT PAST, the Moon was much closer to the Earth.read more
View ArticleHalloween Thoughts
With days shortening, nights lengthening, and Halloween growing near it is only natural that our thoughts should turn to the dead—and some of them were astronomers. (Insert blood-curdling scream...
View ArticleClik here to view.
Very Rare Superoutburst of PR Herculis
Winchester Observatory has monitored hundreds of variable stars with an automated imaging system over the last nine years. Most are run of the mill long period variables (mainly Mira-type stars) that...
View ArticleClik here to view.
Solar Eclipses and Totality
IN THE DISTANT PAST, the Moon was much closer to the Earth. Thanks to tidal forces and the Law of Conservation of Momentum, the size of the Moon’s orbit has been increasing (currently by ~3.8 cm/yr).1...
View ArticleHalloween Thoughts
With days shortening, nights lengthening, and Halloween growing near it is only natural that our thoughts should turn to the dead—and some of them were astronomers. (Insert blood-curdling scream...
View ArticleClik here to view.
An Astronomical Anecdote
One of my old observing buddies, the late Steve Chomniak (Toronto Centre), once told me a story about one time that he went to our dark-sky site in the concessions northeast of Oshawa by himself...It...
View ArticleBig Glass
EVERYONE SAYS that the great 40" refractor at Yerkes Observatory is the world’s largest, but did you know that there was actually a larger refractor built in France? It was on display at the Paris...
View ArticleBig Glass
EVERYONE SAYS that the great 40" refractor at Yerkes Observatory is the world’s largest, but did you know that there was actually a larger refractor built in France? It was on display at the Paris...
View ArticleClik here to view.
Very Rare Superoutburst of PR Herculis
Winchester Observatory has monitored hundreds of variable stars with an automated imaging system over the last nine years. Most are run of the mill long period variables (mainly Mira-type stars) that...
View ArticleClik here to view.
Solar Eclipses and Totality
IN THE DISTANT PAST, the Moon was much closer to the Earth. Thanks to tidal forces and the Law of Conservation of Momentum, the size of the Moon’s orbit has been increasing (currently by ~3.8 cm/yr).¹...
View ArticleHalloween Thoughts
With days shortening, nights lengthening, and Halloween growing near it is only natural that our thoughts should turn to the dead—and some of them were astronomers. (Insert blood-curdling scream...
View ArticleClik here to view.
An Astronomical Anecdote
One of my old observing buddies, the late Steve Chomniak (Toronto Centre), once told me a story about one time that he went to our dark-sky site in the concessions northeast of Oshawa by himself...It...
View Article
