Bitter Cold but Bustling

General astronomy-related discussion (publicly viewable)
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Apollo XX
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Bitter Cold but Bustling

Unread post by Apollo XX »

O/k, so there's lots to see this month that's astronomically interesting - Comet Lovejoy, Venus and Mercury in the western sky at twighlight, a triple moon transit on Jupiter on January 24 (start looking at about 1:30am), but for an enduring telescopic challenge I encourage you to download this PDF http://www.mediafire.com/view/mc637uq93 ... llenge.pdf Here you'll find something oh so familiar, but at the same time something oh so new. Hope you enjoy!
"The purpose of life is the investigation of the Sun, the Moon, and the heavens." - Anaxagoras
Bruce D
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Re: Bitter Cold but Bustling

Unread post by Bruce D »

For some reason I find E so much easier to see than F

... or is it the other way around!
Bruce D
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Apollo XX
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Re: Bitter Cold but Bustling

Unread post by Apollo XX »

ASSNE Prime wrote:For some reason I find E so much easier to see than F

... or is it the other way around!
Nope, that's right. E is 1/10 magnitude dimmer than F so you'd thing F might be easier, but F is so close to C, which is the brightest star in the grouping, so it's harder to pull out. Three things help here; no moon, steady sky, and high magnification. The best I've done yet is F in a 5 inch refractor at about 180x.
"The purpose of life is the investigation of the Sun, the Moon, and the heavens." - Anaxagoras
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