Jupiter sketch of 08 - 23 - 2021

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John Baars Netherlands
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Jupiter sketch of 08 - 23 - 2021

#1

Post by John Baars »


In addition to my last sketch of Jupiter, which I did from memory, this time a more thorough sketch, for the sake of accuracy. Pity no exiting GRS or interesting transits. GRS had just left, Io, Europe and Ganymede were west of the planet. Callisto behind it.

You have to take it as it comes and catch every clear night. There is no alternative. Seeing was decent, as was the transparency of the sky, but certainly not top notch. Jupiter was still rather low, some 16 degrees above the horizon. As a result, the amount of detail is average. Never mind.

Nice dry weather, so I could spend a little more time at the field sketch, which I made on the telescope with pencil an paper. Everything stays neat and dry. Even the mosquitoes had their night off, or was it because of my "Deet?" There was enough light coming from my surroundings to see what I was doing. Jupiter doesn't need night vision. There was no need to make an intermediate sketch, which is my custom. The final sketch shows the same as the field sketch, with the difference that some color has been added.
A magnification of 180X in the 120mm Evostar with my planetary top-eyepiece, the Pentax XO5 was actually a bit too much. With the Leica Zoom I kept lowering the magnification until I could see the finer details. 120X turned out to be ideal.
Jupiter 23 augustus 2021  23.00 MEZT.jpg
Click on it for a better view.
Refractors in frequency of use : *SW Evostar 120ED F/7.5 (all round ), * Vixen 102ED F/9 (vintage), both on Vixen GPDX.
GrabnGo on Alt/AZ : *SW Startravel 102 F/5 refractor( widefield, Sun, push-to), *OMC140 Maksutov F/14.3 ( planets).
Most used Eyepieces: *Panoptic 24, *Morpheus 14, *Leica ASPH zoom, *Zeiss barlow, *Pentax XO5.
Commonly used bino's : *Jena 10X50 , * Canon 10X30 IS, *Swarovski Habicht 7X42, * Celestron 15X70, *Kasai 2.3X40
Rijswijk Public Observatory: * Astro-Physics Starfire 130 f/8, * 6 inch Newton, * C9.25, * Meade 14 inch LX600 ACF, *Lunt.
Amateur astronomer since 1970.
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Graeme1858 Great Britain
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Re: Jupiter sketch of 08 - 23 - 2021

#2

Post by Graeme1858 »


That's a really nice Jupiter sketch John.

Regards

Graeme
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Re: Jupiter sketch of 08 - 23 - 2021

#3

Post by KingNothing13 »


Nice sketch, John, thanks for sharing it. I also like your brief description of the night and how you arrived at your ideal 120x.
-- Brett

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messier 111 Canada
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Re: Jupiter sketch of 08 - 23 - 2021

#4

Post by messier 111 »


wow very nice photo heuuu sketch , thx .
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Makuser United States of America
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Re: Jupiter sketch of 08 - 23 - 2021

#5

Post by Makuser »


Hi John. A well done sketch using the Evostar 120ED. No GRS or Galilean moons, but you have nice equatorial and temperate belting in your work. Thanks for sharing this with us on here John, and keep up the great work.
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Re: Jupiter sketch of 08 - 23 - 2021

#6

Post by mariosi »


Excellent drawing of Jupiter John!
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10538 United States of America
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Re: Jupiter sketch of 08 - 23 - 2021

#7

Post by 10538 »


:text-thankyoublue: Nice work John! I love the detail! :text-thankyoublue:
Ed :Astronomer1:
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Eyepieces: ES 5.5mm 100*, 6.7mm 82*, 11mm 82*, 14mm 100*, 18mm 82*, 20mm 100*, Meade 9mm XWA 100*, 24mm UWA 82*, 56mm 50*, TV Delos 6,8 & 10mm, Panoptic 24, 27 & 35mm, 17mm Nagler, Powermate 2X, Baader 6mm Ortho, Paracorr II.
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Re: Jupiter sketch of 08 - 23 - 2021

#8

Post by Falcon 63 »


Excellent work John.
Telescopes Saxon 10" x 1200 Dobsonian, Bresser 114 x 500 Dobsonian, Saxon 70 x 400 Refractor.
Eyepieces ES 82* 2" 18mm, 1.25" 11mm, GSO 2" 30mm superview, Seben mzt 8-24, Sky Watcher 58* 4mm and various Plossls.
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Re: Jupiter sketch of 08 - 23 - 2021

#9

Post by Mirrorgirl »


I love it John so realistic...it’s great thanks for sharing
Eqm35 Skywatcher mount..Skywatcher 80 ed telescope, 71 W/O GT ...bunch of eye pieces 25,mm 32mm etc...Nexter 4,se...385 mc Zwo camera, Zwo 183 colour cooled pro camera... Orion 80 ed...two compass...
Sky fi wireless telescope controller.. Rebel t3i.. light pollution L XTREME, Idas light pollution filter and Antlia 3nm gold, Antlia h alpha filter filter..other filters .. pixinsight .. startools..

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Re: Jupiter sketch of 08 - 23 - 2021

#10

Post by Ylem »


That's very nice John!
Clear Skies,
-Jeff :telescopewink:


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