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February 2011

Weather links

Posted: February 7th, 2011

If you live somewhere around the San Fransico Bay Area, these weather links may be helpful to you. They are to me!

Satellite Images and Models


Clear Sky Charts

NOA Weather Forecast

When a star party approaches, I make sure the weather's going to be good, before taking the hike! Here's a bunch of weather links for the start parties I usually attend...

Lake San Antonio (Calstar)

GSSP (Golden State Star Party)

CNSP (Central Nevada Star party)

We don't want these to happen, but...
Unfortunately, sometime, they do happen, and while clear skies is often the least of concerns for everybody, it's not a bad thing to be informed...

Sunnyvale weather
Very local stuff is sometimes important, for me at least.





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NGC 2170 widefield

Posted: February 1st, 2011


Click here for a larger version

This field from the constellation Monoceros, featuring the bright nebula NGC 2170 in the middle, is an incredible mix of nebula types: reflection nebula (the blue areas), emission nebula (reddish) and dark nebula (black), all bathed in scattered dust around the area.One challenge when imaging this field is that the geostationary superhighway crosses right in the middle, which in this case, it created an average of 4 to 6 satellite strikes on each of the subframes I took. Fortunately, using a sigma clipping combine to stack the different subframes was able to get rid of each and every strike in the final image.

Get a poster, t-shirt, mug, mousepad... with this image!

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