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08/12/2006 08:41:54 PM · #1 |
| Has anybody managed to get any shots of planet Mars while it is in its close orbit with Earth? If so, what lens and settings did you use to get your shot? Can you post a few? I may rent a 600mm lens to get some shots but, I want to make sure it'll be enough lens to get anything worth while. |
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08/12/2006 08:58:58 PM · #2 |
| I am nearly sure it will not be worthwhile... |
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08/12/2006 09:01:04 PM · #3 |
Here are a few from when Mars was really at its closest approach to Earth in the last few years:
 
What you've been reading about on the internet recently is a recycled, tired, long-in-the-tooth hoax message that seems to have a life of it's own.
See here.
Message edited by author 2006-08-12 21:02:08. |
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08/12/2006 09:02:37 PM · #4 |
600mm will not get more than a slight disk....if you can track it some kind of way.
Originally posted by jtf6agent:
Has anybody managed to get any shots of planet Mars while it is in its close orbit with Earth? If so, what lens and settings did you use to get your shot? Can you post a few? I may rent a 600mm lens to get some shots but, I want to make sure it'll be enough lens to get anything worth while. |
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08/12/2006 11:38:40 PM · #5 |
| uhhhh...does this mean I got suckered? I was going to stay up late tonight just to check it out. |
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08/12/2006 11:47:45 PM · #6 |
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08/12/2006 11:49:40 PM · #7 |
Originally posted by jtf6agent:
uhhhh...does this mean I got suckered? I was going to stay up late tonight just to check it out. |
You were suckered. Mars is not even visible in the sky now (too close to the sun) and if it was, it's apparent size is about 4 arcseconds, which works out to about 2/10ths of 1 percent the size of the full moon. IF Mars was visible in the night sky now, it wouldn't be worth pointing a telescope at, much less a 600mm lens. |
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08/12/2006 11:52:52 PM · #8 |
Originally posted by jtf6agent:
uhhhh...does this mean I got suckered? I was going to stay up late tonight just to check it out. |
Yes, I'm afraid you did. This circulates every year about this time.
Snopes.com |
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08/13/2006 12:09:09 AM · #9 |
| Eh... go ahead and shoot anyway. The Perseid meteor shower is this weekend, and you don't even need a long lens. ;-) |
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08/13/2006 12:23:36 AM · #10 |
Someone at work asked me about this last year. Now although I have a degree in Biology and not Physics...I explained it this way.
All numbers are approximations...
The moon is 1/6 the size of Earth and is 240,000 miles away.
Mars is 1/2 the size of Earth and 34 million miles at closest.
So I think for the disk of Mars to show as big as the moon (as the false report says) then Mars would have to approach in the neighborhood of 1 million miles from Earth.
May be off a little!
KS
Originally posted by strangeghost:
Originally posted by jtf6agent:
uhhhh...does this mean I got suckered? I was going to stay up late tonight just to check it out. |
You were suckered. Mars is not even visible in the sky now (too close to the sun) and if it was, it's apparent size is about 4 arcseconds, which works out to about 2/10ths of 1 percent the size of the full moon. IF Mars was visible in the night sky now, it wouldn't be worth pointing a telescope at, much less a 600mm lens. |
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