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  #1  
Old 14-05-2018, 07:44 PM
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Jupiter 29th April from Melbourne

Hello everyone

Here's a shot of Jupiter taken on the 29th April UT in reasonable seeing from Melbourne. Good seeing has been quite the exception to the rule this year...

GSO RC14 @F/20, ASI 290MM camera, Astronomik RGB, EQ8
Sorted & stacked with AutoStakkert 3! WinJupos derotation of RGB sets
VC Deconvolution + IRIS

Cheers
Maurice
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  #2  
Old 14-05-2018, 08:24 PM
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Atmos (Colin)
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And people say that an RC cannot do planetary
Very nicely done.
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  #3  
Old 15-05-2018, 12:52 PM
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Good to see you imaging again Maurice.

John K.
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Old 15-05-2018, 06:09 PM
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Wow. Its unimaginable that amateur rigs are making images like this.

Greg.
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  #5  
Old 15-05-2018, 10:09 PM
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Quote:
Originally Posted by Atmos View Post
And people say that an RC cannot do planetary
Very nicely done.
Thanks very much Colin.


Quote:
Originally Posted by John K View Post
Good to see you imaging again Maurice.

John K.
Good to be back John...if only briefly. I'll be out of action for a couple of months soon...getting old can be a real pain sometimes...

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Originally Posted by gregbradley View Post
Wow. Its unimaginable that amateur rigs are making images like this.

Greg.
Thank you for the nice comment Greg

cheers
Maurice
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  #6  
Old 16-05-2018, 11:40 AM
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Old 17-05-2018, 07:36 AM
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Great work Maurice, GRS region showing a lot of detail.
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Old 17-05-2018, 03:38 PM
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Not bad Maurice. The colour looks a little washed out but the detail is pretty reasonable. Do you think you will get a Mars image like last 25" opposition?

I saw Jupiter myself for the first time the other night in what was reasonable seeing until I setup and then it slowly went to pot. Not like the heady days of 2006-2008 when the seeing was on tap. Good to see an RC imaging. I have been contemplating selling my C14 and getting an RC16 for this very task. Cooling it might mean working on a new modification to the RC though.
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Old 18-05-2018, 05:49 PM
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thanks Troy.

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Originally Posted by Sebbie View Post
Great work Maurice, GRS region showing a lot of detail.
Thank you Sebastian

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Originally Posted by Paul Haese View Post
Not bad Maurice. The colour looks a little washed out but the detail is pretty reasonable. Do you think you will get a Mars image like last 25" opposition?

I saw Jupiter myself for the first time the other night in what was reasonable seeing until I setup and then it slowly went to pot. Not like the heady days of 2006-2008 when the seeing was on tap. Good to see an RC imaging. I have been contemplating selling my C14 and getting an RC16 for this very task. Cooling it might mean working on a new modification to the RC though.
Thanks Paul.
Unless the seeing improves, I don't think that there is any chance of getting a Mars shot like those from 2003.
The RC probably isn't the best choice for planetary work, but I do have plans of making a new smaller secondary just for planetary work. The best design so far looks like it will make the whole system work natively at about F/17.5
Central obstruction reduces from about 42% to 30% (limited by the baffle tube/central hole in the primary).
Cooling is always an issue, but it seems easier to manage in an open tube design than in an SCT.

cheers
Maurice
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Old 20-05-2018, 11:46 AM
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astroron (Ron)
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Nice picture.
Looking forward to any images from last night
as the dark spot in the NEB was so pronounced
when I observed it in my 16" at 180xmag.
Cheers
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