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Old 09-01-2010, 01:14 AM
icytailmark (Mark)
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Poor seeing in Sydney tonight?

hi guys im just outside looking at mars for the first time and all i can see is a orange glow and a watery shimmer. I tried different eyepieces 25mm, 13mm and they all look the same. I cannot see any type of detail. I hope my telescope isnt broken.
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Old 09-01-2010, 04:20 AM
icytailmark (Mark)
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woohoo i just saw saturn for the first time in my telescope!!! WOW it looks just like in the books u see!!!
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Old 09-01-2010, 09:40 AM
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telecasterguru (Frank)
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Mark,

Saturn for the first time through your own scope is an awesome sight.

What sort of scope are you using?

Frank
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Old 09-01-2010, 11:47 AM
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Robh (Rob)
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Quote:
Originally Posted by icytailmark View Post
hi guys im just outside looking at mars for the first time and all i can see is a orange glow and a watery shimmer. I tried different eyepieces 25mm, 13mm and they all look the same. I cannot see any type of detail. I hope my telescope isnt broken.
I don't know what type of scope you own but you may need to acclimatise your scope to the outside conditions. That watery shimmer could be due to convection currents around a cooling mirror. Another highly likely cause is also poor seeing, the image appearing to vibrate due to upper air disturbances.

Regards, Rob.
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Old 09-01-2010, 12:50 PM
icytailmark (Mark)
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im using a Skywatcher 12" Dob. I had my telescope outside all night. I think it could of been condensation on the mirrors.
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Old 09-01-2010, 01:25 PM
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Robh (Rob)
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Quote:
Originally Posted by icytailmark View Post
im using a Skywatcher 12" Dob. I had my telescope outside all night. I think it could of been condensation on the mirrors.
Ah, the dreaded dew! Yes, I noticed there was a lot of dew around this morning.
That "watery" shimmer is a rather apt description.

Regards, Rob.
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