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Jupiter 20130111 in SHENZHEN, end of Eur transit

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#1 ZuoZhao

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Posted 22 January 2013 - 10:11 AM

Bad seeing and very bad transparency. The heavy dust just roll in China,it is a big news. When I begun to imaging, the Eur shadow just left Jupiter. Even I use 95~100 gain I only got half of histogram at about 40fps.So that is a hard to forget moment. The weather hurt every thing,I careful to process and remain little sharpen to keep it still look like a Jupiter. :bawling:
About moons. Eur keep original position. And others took around Jupiter similar as original.

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#2 Rankinstudio

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Posted 22 January 2013 - 10:41 AM

That is a very nice image, I don't think the conditions were as bad as you think ;)

#3 Edward E

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Posted 22 January 2013 - 12:14 PM

Did you re-image the moons and make a composite image or is the detail seen on the moons in the original stack? I am very impressed with the details you captured! If this is an image during bad seeing, I cannot wait to see images in good seeing.

#4 sfugardi

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Posted 22 January 2013 - 12:27 PM

ZZ, fantastic results especially under those conditions! For a 10" dob, your image quality is absolutely outstanding. Any chance to post some pictures of your scope? You must have a perfect mirror. Thanks for posting

Regards,
Steve

#5 Mert

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Posted 22 January 2013 - 03:50 PM

That is a fantastc image and these moons are incredible!
Did you capture with ROI?

#6 Freddy WILLEMS

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Posted 22 January 2013 - 04:35 PM

Looks really good to me, nice conjunction !!

#7 mpgxsvcd

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Posted 22 January 2013 - 04:41 PM

My Jupiter in ideal conditions doesn't look as good as your "Moons of Jupiter" in poor conditions. Great job. How did you get the moons to show up so well with a properly exposed Jupiter? That is a lot of dynamic range.

#8 Kecktastic

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Posted 22 January 2013 - 04:54 PM

Most creditable effort ZZ, especially so in poor seeing.

Regards
Trevor

#9 Tassydevil

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Posted 22 January 2013 - 05:20 PM

Great Work.

#10 lcd1080

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Posted 22 January 2013 - 08:45 PM

ZZ I like seeing the four moons together with two of them showing clear surface detail. I calculated that the angular width of the image is 103 arc seconds; did you stitch two images together or does the image result from a single set of data? I figured that if your 10 inch Dob has a focal length of 1200mm that would mean an effective focal length of about 6,000 mm when used with a 5x barlow. I'm wondering if the pixel size and number of pixels on the ASI120MM results in a 103 arc second image frame width for a 10 inch scope having an EFL of 6,000 mm.

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#11 wenjha

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Posted 22 January 2013 - 08:47 PM

Outstanding again!

#12 ZuoZhao

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Posted 22 January 2013 - 09:37 PM

Did you re-image the moons and make a composite image or is the detail seen on the moons in the original stack? I am very impressed with the details you captured! If this is an image during bad seeing, I cannot wait to see images in good seeing.


As I said,only Eur at its position,it capture with Jupiter. Others re-image and composite. Here is the picture from Stellarium, you can compare them. They are not exact,but similar. For example,Cal(right) faraway from Jupiter,I took them very near.

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#13 ZuoZhao

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Posted 22 January 2013 - 09:46 PM

ZZ, fantastic results especially under those conditions! For a 10" dob, your image quality is absolutely outstanding. Any chance to post some pictures of your scope? You must have a perfect mirror. Thanks for posting

Regards,
Steve


I dont photo my DOB10,but you can view from SW company homepage. I only use original mirrors. Here is the link:
http://www.skywatche...s1=1&class2=106

#14 ZuoZhao

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Posted 22 January 2013 - 10:21 PM

That is a fantastc image and these moons are incredible!
Did you capture with ROI?


Yes, I use 800X640

#15 markseibold

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Posted 23 January 2013 - 02:26 AM

Hi Zou

Very impressive, even though through bad seeing conditions!
I know everyone is curious as to your equipment, as you indicate a high quality 10 inch Dobsonian, but I still fail to see what mention of camera that you are using. Can you tell us a little about the camera?

Thanks again, and I look forward with great enthusiasm, to see your future imaging work.

Mark
Artist- Astronomer
My CN Gallery > http://www.cloudynig...&cat=500&amp...

#16 ZuoZhao

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Posted 23 January 2013 - 05:06 AM

Hi Zou

Very impressive, even though through bad seeing conditions!
I know everyone is curious as to your equipment, as you indicate a high quality 10 inch Dobsonian, but I still fail to see what mention of camera that you are using. Can you tell us a little about the camera?


I use ASI120MM, it as sensitivity as DMK618. It support 1280X960,so imaging Lunar as well. 120MM pixels density 1.5X than DMK618,so you can get a bigger Jupiter with same FL. About price,1/2 DMK618 or less, I think Sam can tell you more. :jump:

#17 Kokatha man

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Posted 23 January 2013 - 06:20 AM

Did you re-image the moons and make a composite image or is the detail seen on the moons in the original stack? I am very impressed with the details you captured! If this is an image during bad seeing, I cannot wait to see images in good seeing.


As I said,only Eur at its position,it capture with Jupiter. Others re-image and composite. Here is the picture from Stellarium, you can compare them. They are not exact,but similar. For example,Cal(right) faraway from Jupiter,I took them very near.


Another nice one ZZ :waytogo: - but I think some folks might get a bit confused by your "re-compositing" moons way out of the FOV in some of your images... :question:

I see nothing wrong with this type of composition unless people actually think that Jupiter's major (Galilean) moons were all that close to the planet itself.....but you've done a fine job of imaging everything in the first place regardless of how the composition is put together! :cool:

I will ask you this because if you've read my current threads, I linked to an old thread of mine in the first where you said one of my images "looked like an oil painting" - strangely I think something similar about your's also! :grin:

In a recent one I thought it was due to the actual "smearing" of details from the seeing conditions you reported: to me it is most noticeable in the various coloured sections within Jupiter's bands...there is a "uniformity" to the lighter & darker sections without any "grading" in or between each of these or the main edges either.

Are you able to comment upon this here - I appreciate that although your English is far superior to my Mandarin it might be a difficult task :grin: but I'd like to know your thoughts if possible..... :question:

#18 ZuoZhao

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Posted 23 January 2013 - 11:40 PM

In a recent one I thought it was due to the actual "smearing" of details from the seeing conditions you reported: to me it is most noticeable in the various coloured sections within Jupiter's bands...there is a "uniformity" to the lighter & darker sections without any "grading" in or between each of these or the main edges either.

Are you able to comment upon this here - I appreciate that although your English is far superior to my Mandarin it might be a difficult task :grin: but I'd like to know your thoughts if possible..... :question:


Thanks your responded! I dont think I know actual what you said. But some idea remind me my processing still many problem. Though use the same equipment and sofeware,the result surely not the same every time. Many try not sucess. To soft or sharpen cause difference problems. I hope I can improve in future. However,no matter what the right or wrong,I hope that is my style. :o

#19 wenjha

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Posted 24 January 2013 - 01:42 AM

ZZStyle :lol:

#20 Kokatha man

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Posted 24 January 2013 - 05:03 AM

No problems with that answer ZZ - everyone struggles continuously to create the best outcomes from their captures using their own sense of aesthetic "balance" -which can often be concerned with (as you say) "softening or sharpening."

And ultimately the individual is the one to decide where his "style" should be.....one only has to look at the enormous variations in professional planetary images to appreciate just how diverse interpretation and rendition can be.....and I applaud you for having the strength of your own convictions as well as your imaging in general! :waytogo:

#21 Edward E

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Posted 24 January 2013 - 10:02 AM

Thank you for the explanation ZZ. I cannot wait to see your image of the Jov moons during "excellent" seeing.






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