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Attempting to Observe Jupiter/Venus

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12 years 3 months ago #92662 by conor-figgy
Replied by conor-figgy on topic Re: Attempting to Observe Jupiter/Venus
Ok, I'll do that hopefully tonight depending on cloud coverage and then report back here. Thanks!

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12 years 3 months ago #92666 by conor-figgy
Replied by conor-figgy on topic Re: Attempting to Observe Jupiter/Venus
Nope, same story. I got some great views of the moon but both Jupiter and Venus looked like my original image.

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12 years 3 months ago #92669 by dave_lillis
Replied by dave_lillis on topic Re: Attempting to Observe Jupiter/Venus
I have to say, Im having trouble interpreting your image, do you mean you see a circular disk with zero details and 4 lines or are you seeing a fuzzy jupiter with almost no detail and 4 lines ?
If the bright illumination/planet image in the center perfectly center or is it oblong/lobsided.

Dave L. on facebook , See my images in flickr
Chairman. Shannonside Astronomy Club (Limerick)

Carrying around my 20" obsession is going to kill me,
but what a way to go. :)
+ 12"LX200, MK67, Meade2045, 4"refractor

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12 years 3 months ago - 12 years 3 months ago #92670 by conor-figgy
Replied by conor-figgy on topic Re: Attempting to Observe Jupiter/Venus
Oh sorry, I see a circular disc with no detail (grey) and in the middle of this is a black disc which has four lines coming out of it. The black disc is, as far as I know, the mirror in the centre of my tube, specifically the mirror which reflects the image into the eyepiece. The planet isn't distorted/oblong I'm pretty sure.
Last edit: 12 years 3 months ago by conor-figgy.

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12 years 3 months ago #92677 by mykc
Replied by mykc on topic Re: Attempting to Observe Jupiter/Venus
Very odd. Your drawing and description match what you would see if the focusing was way off, and yet you get good views of the moon, which would require the same focus position! Can you make out the details on the lunar surface clearly? This must be very frustrating, so it might be time to make contact with another stargazer in your area. Whereabouts are you located?

Mike

Skywatcher 120 mm ED on a CG5 mount.
Orion UK 300mm Dobsonian

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12 years 3 months ago - 12 years 3 months ago #92681 by dave_lillis
Replied by dave_lillis on topic Re: Attempting to Observe Jupiter/Venus
yea, definitely sounds like it's out of focus, maybe there is a loose mirror somewhere and it's shifting when you move the scope, you need someone experienced to look at it for you.

Dave L. on facebook , See my images in flickr
Chairman. Shannonside Astronomy Club (Limerick)

Carrying around my 20" obsession is going to kill me,
but what a way to go. :)
+ 12"LX200, MK67, Meade2045, 4"refractor
Last edit: 12 years 3 months ago by dave_lillis.

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