Moons

Moons

Postby stephen-jones » Wed Jan 21, 2015 9:39 pm

That's right... moons. Those crazy little bodies orbiting the planets. Justin's done a fine job talking about them at the last couple of meetings. How many of them have you observed with your scopes?

I've observed:

Earth's moon (duh)
Io
Europa
Ganymede
Callisto
Titan
Rhea
Tethys
Dione
Iapetus
Enceladus
Titania
Oberon
Triton

There's a few more in reach of my 16" that I haven't yet tracked down. There's a nice article about observing small moons in the latest issue of Sky and Telescope. How many have you seen?
-Stephen Jones
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Re: Moons

Postby steve-fung » Mon Jan 26, 2015 2:24 am

I thought I would add to your post the recent triple shadow transit of the Galilean moons on Jupiter on January 24, 2015. The next one will be in 2032. These set of images were taken from my backyard using 6" f/10 SCT, 8 mm eyepiece projection, 1-min stacked movies taken at 2-min intervals, ISO 3200.
2015.01.24 Jupiter Triple Shadow Transit small.jpg
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Re: Moons

Postby steve-munsey » Thu Feb 05, 2015 10:56 am

Very Nice!!!!
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Re: Moons

Postby stephen-jones » Thu Feb 05, 2015 12:39 pm

For what it's worth... neither of you actually answered the question in my post....

Did I intimidate you with my list?
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Re: Moons

Postby steve-pinney » Thu Feb 05, 2015 1:26 pm

With my ES 80mm

Earth - Moon

Jupiter - Io/Europa/Ganymede/Callisto

Saturn - Titan/Rhea - (I think)
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Re: Moons

Postby steve-fung » Thu Feb 05, 2015 7:59 pm

Ditto re SteveP with my C6 SCT and SVR90T, although it's been a while since I looked at planets (while absentmindedly ignoring moons) - have been concentrating mostly on DSOs until the recent excitement with triple shadow transit over Jupiter. SteveJ, you're right, you give me good reason to look at the moons more carefully, although I think I'm due for a scope upgrade :D
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Re: Moons

Postby rene-gedaly » Thu Feb 05, 2015 8:01 pm

Yes. Yes, you did intimidate me with your list. SJ, we need a 90 mm vs 16" scope shootout at the dark site :D

Rene
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Re: Moons

Postby steve-munsey » Thu Feb 05, 2015 8:24 pm

Sir you are the moon king!!!

Earths moon
Io
Europe
Ganymede
Callisto


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Re: Moons

Postby stephen-jones » Thu Feb 05, 2015 10:16 pm

oh I don't know about "moon king"... I'm sure there are some folks in HAS that have seen Mimas, Himalia, Ariel, Umbriel, or the like. I'm really not even sure why I'm fascinated by the moons so much... they're not much to look at or anything. Just something about the achievement I guess.
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Re: Moons

Postby steve-pinney » Fri Feb 06, 2015 3:47 pm

stephen-jones wrote:oh I don't know about "moon king"... I'm sure there are some folks in HAS that have seen Mimas, Himalia, Ariel, Umbriel, or the like. I'm really not even sure why I'm fascinated by the moons so much... they're not much to look at or anything. Just something about the achievement I guess.


I think it shows you have patience, tenacity, attention to detail and no life. :o J/K!

I may have to bring out the AT 8" and try to catch up!

Your original post was last year have you added more?
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