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Finally, Jupiter at decent seeing

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6 replies to this topic

#1 Sasa

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Posted 13 July 2020 - 12:40 AM

Hello, I run finally last night on decent seeing when observing Jupiter. This year, I was observing the planet through GSO dobson 150/1200 (a gift from a friend). Optically, it was quite bad but when I made 142mm it started to deliver very nice sharp images. So, here is the sketch

 

Jupiter_20200712_2140UT.jpg

 

The texture was in short moments so rich that I felt hopeless and I did not know how to capture it on paper.

You can check the older sketches from this year under really bad condition here:

 

https://www.fzu.cz/~...0704_2150UT.jpg

https://www.fzu.cz/~...0706_2140UT.jpg

https://www.fzu.cz/~...0709_2213UT.jpg


Edited by Sasa, 13 July 2020 - 12:42 AM.

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#2 Quinnipiac Monster

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Posted 13 July 2020 - 08:36 AM

Wow that looks great for that diameter! I think you would be better off using  the right template for Jupiter, polar flattening is quite obvious on that big fella.



#3 Sasa

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Posted 13 July 2020 - 09:49 AM

Thanks, I was making sketches with oval shape in the past. However, I'm less organized nowadays. For this sketch I made circle to the logbook using 2in extension tube just before the observation. Also what I present is just rough sketch made with one pencil. I used to redraw the sketches later at home to produce more polished result. Now I know that if I don't process the image the same night or next morning then it is very unlikely I would return to it.

#4 niteskystargazer

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Posted 13 July 2020 - 09:58 AM

Alex,

 

Good sketch of Jupiter (At decent seeing) smile.gif .

 

CS,KLU,

 

thanx.gif ,

 

Tom



#5 frank5817

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Posted 13 July 2020 - 10:26 AM

Alexander,

 

Very fine work on this Jupiter sketch.

 

Frank :)



#6 astronz59

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Posted 14 July 2020 - 06:54 AM

Alexander, great to see that the 'boring' side is still throwing up those spectacular festoons! I'm with you on finishing up sketches straight away - I made a very similar version 10 days previously, but I still hadn't got round to finalizing it! Your impressive sketch inspired me. So here it is......

 

Jup0702.jpg


Edited by astronz59, 14 July 2020 - 06:55 AM.

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#7 Sasa

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Posted 15 July 2020 - 10:02 AM

Very nice capture, astronz59, very nice level of details (Jupiter is probably much higher in your sky than here from 50N altitude). I'm glad that you manage to finished the drawing. The result is worth of effort.

Here is another sketch of "boring side" (Jupiter is actually never boring) from last night. Seeing was not that great but I could still see some details:

 

Jupiter_20200714_1930UT.jpg


Edited by Sasa, 15 July 2020 - 10:04 AM.

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