Brian Ventrudo

Sky Tours (North) – A View of the Southern Stars

This month you get a whirlwind tour of the stars of the deep-southern hemisphere, stars which are forever hidden by the Earth under your feet. It’s good to know a little about the other part of the sky because there is much to see there. And with a little luck you may get to travel south of the equator to see the deep southern skies.

The maps fo...

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Solar System Observing – Comets

Filed Under: Fundamentals of Stargazing

In our look at the solar system this month, we examine comets, perhaps the most unpredictable and visually striking objects in the night sky and one of the most fun to observe. It's always hard to tell when a reasonably bright comet will make an appearance, but when it does, you want to be prepared. This section will get you ready for the next 'Gre...

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Stargazing Tools – Basics of Astronomical Imaging

Filed Under: Fundamentals of Stargazing

This month we tackle the basic ideas of astrophotography. This is a massive subject and an expensive pastime, both in terms of time and money. But you will learn enough this month to get started taking some basic images with techniques that can lead, with a little practice, to surprisingly good results.

Click here to download notes for 'Basic A...

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Science of Stargazing – The Cosmic Distance Scale

Filed Under: Fundamentals of Stargazing

This month you learn about Type Ia supernovae, fearsome events that call attention to themselves over millions of light years and help astronomers estimate the size of the universe. And you learn about the “cosmic distance ladder” by which we try to understand the scale of the universe from our solar system to the edge of the known universe.

Cl...

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Deep Sky Tours – December

Filed Under: Fundamentals of Stargazing

This month we have an eclectic mix of galaxies, nebulae, and star clusters in the far northern and southern skies. Southern stargazers also enjoy a look at the magnificent Large Magellanic Cloud, a nearby irregular galaxy that is mainstay of the deep-southern skies.

Click here to download notes for 'Deep Sky Tours - December' (PDF, 1 MB)

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