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I live in Seattle and am thinking of purchasing a telescope. Is fall/winter a decent time of year for viewing (aside from summer)? Are there any major viewings/events during that this of year?

I know I live in a city of rain, but there are some nice nights.

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Also, you can always drive to the drier places. Vantage? –  Lagerbaer Jun 12 '12 at 5:08
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The sky is a constantly changing tapestry of interesting sights and events: there is no time better than any other. If you''re interested, now is the best time!

Because of our location in the Milky Way Galaxy, summer and winter are the best times for viewing objects within the galaxy: open clusters and nebulae. Spring and fall are the best times to view objects outside our galaxy: globular clusters and other galaxies. Because of the Earth's rotation, if you stay up late, you can also get a sampling of the next season. Look at the autumn galaxies this evening, then stay up past midnight to view the winter clusters and nebulae.

Superimposed on the "deep sky" are the solar system objects, which operate on their own clock. Right now, Saturn is disappearing in the west at sunset but Venus will soon replace it; Jupiter rises around 10 p.m. and dominates the rest of the night. Mars is still far away in the morning sky, but is gradually getting closer.

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First of all: there is no perfect season for star gazing. Winter has great dark sky because the sun is deep below the horizon and the air is calm because it is cold. And the cold is exactly what makes you want to go back in after 10 minutes because even with 10 layers of clothing and a thermos full of coffee it gets darn cold very quickly. Even at 5 degrees Celsius. The summer is much better in terms of temperature (you can gaze stars wearing a T-shirt) but the sky is much brighter and the air is less calm so the seeing is worse. Spring and fall are in between.

One thing that makes winter better than summer: you can see the nebula in Orion. Then, again, summer has some nice stuff, too, like M57 and Albireo.

So. Never been to Seattle but I live in the middle of a 6 million people conurbation in Germany. It is possible to observe deep sky objects from here even if it's difficult and the set of visible objects is far smaller than in a really dark sky.

The other day we took our telescope (8" Dobson - so nothing fancy) to the balcony and were able to see M57, M56 and the comet Garradd - we only have sky view near the zenith. Please note that this happened actually wearing a T-shirt.

When we pack the scope into our car and go to our favourite spot (5 minutes drive) we can see planets and a whole lot of stuff. And this is still far within the conurbation (or "sprawl" - since you're from Seattle ;-). What we cannot see there is the milky way. But even our sprawl and Seattle are of finite size so you can pack your stuff and leave the sprawl for a darker spot every once in a while. This is also a great opportunity for meeting like-minded people: search for star parties in your area.

So, yes. Go buy a telescope. Meet like-minded people and have tons of fun. Take into account that you might want to transport the telescope to get to a spot with better seeing so lifting and setting up are major concerns here. Also buy a decent telescope in order to get more fun out of it and to get a better price when reselling it later should you find that this is not your kind of sport. But in all it is totally possible and worthwhile.

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Download and install the free software Stellarium:

http://stellarium.org/

When you install it, enter your location in the Location tab on the left (Seattle, US). After that, the software will always give you a real time view of the sky. You could click on the Date/Time tab on the left and enter any date and/or time in the future, and the software will predict the sky configuration for you.

If you're thinking to purchase a scope, definitely get the book called Turn Left At Orion:

http://www.amazon.com/Turn-Left-Orion-Hundred-Telescope/dp/0521781906

It's a comprehensive list, written for beginners, of cool things to watch on the night sky, depending on the season.

Sky And Telescope publish a list of upcoming events every time. You could subscribe to the magazine, or use their online resources.

http://www.skyandtelescope.com/observing/ataglance

There are many cool things to watch in the fall/winter months. Orion is coming up, with the Great Nebula. The Pleiades are coming up too. Plenty of double stars, etc.

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Great answer! Just ordered the book, thanks. :) –  Trent Scott Sep 22 '11 at 8:29
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