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Jupiter Observation (June 12, 2010)

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#1 CarlosEH

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Posted 13 June 2010 - 12:24 AM

I made an observation of Jupiter on June 12, 2010. Fine detail was noted over the North Equatorial Belt (NEB) and polar regions. The South Equatorial Belt (SEB) was significantly diminished with only it’s northern component visible.

Date (U.T.): June 12, 2010
Time (U.T.) 08:00
L1 181.3*, L2 210.6*, L3 26.9*
Diameter: 39.1 arc-seconds (Equatorial)
Instrument: 9-inch (23-cm) F/13.5 Maksutov-Cassegrain
Magnification: 258x, 295x, and 388x
Filters: None (IL)
Seeing (1-10): 6-7, Antoniadi (I-V): III-II
Transparency (1-6): 4 (Haze)

Notes:
South Polar Region (SPR): Appears dark to dusky (3-4/10) with dark (3/10) condensations over it’s southern portion.
South South South Temperate Zone (SSSTZ): Appears thin and shaded (6/10).
South South South Temperate Belt (SSSTB): Appears thin and dusky (4/10).
South South Temperate Zone (SSTZ): Appears thin and shaded to bright (6-7/10).
South South Temperate Belt (SSTB): Appears thin, irregular, and dark to dusky (3-4/10).
South Temperate Zone (STZ): Appears shaded to bright with bright (7/10) patches/ovals noted within.
South Temperate Belt (STB): Appears dark to dusky (3-4/10) with dark (3/10) condensations and bright (7/10) sections noted within the condensations.
South Tropical Zone (STrZ): Appears bright (7/10), but no other detail noted within it.
Great Red Spot (GRS): Appears dusky to shaded (4-6/10) with a dusky outer periphery and a shaded (6/10) interior (core) over the preceding limb. The GRS exhibits a pastel reddish orange color.
South Equatorial Belt (SEB): Appears bright (7/10) except for it’s northern border (4/10). Dull (5/10) filaments are noted over the diminished portion of the SEB.
Equatorial Zone (EZ): Appears bright with dull (5/10), bluish-grey filaments throughout it.
North Equatorial Belt (NEB): Appears dark to dusky (3-4/10) with dark (3/10) condensations and bright (7/10) rifts noted within. Dark to dusky (3-4/10) bluish-grey festoons are noted along it’s southern border. Dark (3/10) elongated condensations (rods/barges) are noted over it’s northern border.
North Tropical Zone (NTrZ): Appears bright (7/10) without any other detail visible within.
North Temperate Belt (NTB) appears dark to dusky (3-4/10).
North Temperate Zone (NTZ): Appears thin and shaded to bright (6-7/10).
North North Temperate Belt (NNTB): Appears thin and dusky (4/10).
North Polar Region (NPR): Appears dark to dull (3-5/10) and mottled. A pale bluish haze appears to cover a portion of the NPR.

A digital image produced in Pixelmator.

Carlos

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#2 CarlosEH

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Posted 13 June 2010 - 12:25 AM

A wide field observation of Jupiter and the Galilean satellites. The satellites visible, preceding to following, are Callisto (6.45m), Ganymede (5.44m), Europa (6.11m), and Io (5.83m).

A digital image produced in Pixelmator.

Carlos

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#3 JayinUT

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Posted 13 June 2010 - 12:29 AM

Carlos,

Your attention to detail and mastery of your tools are very evident here. I really enjoy both sketches and am glad that you have had the time to share them. A real treat.

#4 mathteacher

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Posted 13 June 2010 - 12:42 AM

Wow, nice detail, approaching photo-realism. I like it very much, thanks.

#5 oleg oleg

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Posted 13 June 2010 - 01:54 AM

Very pleasant image. This year I have not yet watched Jupiter.
Thank you, you have a great experience, I will have known something new to learn from you. At the same time, I suddenly discover similarities in the technique of drawing, it helps to better understand what you saw in the eyepiece.

#6 frank5817

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Posted 13 June 2010 - 08:57 AM

Carlos,

Impressive sketches of Jupiter and the Great Red Spot does look brighter and more distinct. Fine details in both sketches. :bow: :cool: :rainbow:
You have included a very detailed description of this observation as well. Excellent!

Frank :)

#7 Sol Robbins

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Posted 13 June 2010 - 09:02 AM

Very well done!

#8 Tommy5

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Posted 13 June 2010 - 10:45 AM

great sketch of jup minus the most of the seb bravo.

#9 azure1961p

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Posted 13 June 2010 - 12:06 PM



Nice to see a terrific portrayol of that planet . You have that textured subtelty of the festoon areas among others showing that superb if not delicate effect. Its specifically those areas that really put the magic into a night of good seeing on that planet, but for whatever seem to get trampled in every way but seen here. Digital actually overdoes the contrasts [God Bless it] while in sketches its either ignored or just too too overdrawn to reflect the true visual impression.

Im saving that sketch Carlos.

Pete

#10 Ted Judah

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Posted 13 June 2010 - 02:24 PM

My first webcam image of Jupiter taken the day after your sketch.

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#11 CarlosEH

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Posted 13 June 2010 - 03:12 PM

Thank you all for the compliments on my Jupiter observation. I enjoy observing the king of the planets as it always provides a good show with lots of detail visible. It was difficult to record all the detail visible when the seeing steadied. The best of luck in your own observations of Jupiter.

Ted- An excellent image of Jupiter that agrees with my observation.

Carlos

#12 Paul G. Abel

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Posted 14 June 2010 - 05:04 AM

An absolutley wonderful drawing/observation Carlos. The colour of the EZ in particular, along with the festoons are brilliantly recorded and match what I see on Jupiter very nicely!

#13 CarlosEH

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Posted 14 June 2010 - 05:21 PM

Paul,

Thank you for the compliment on my Jupiter observation. It was daunting to record all of the detail visible over the jovian disk. I am glad that my rendering agrees with your own observations of Jupiter. I look forward in making future observations of Jupiter.

Your map of Mars was brilliant as well.

Carlos

#14 mikesemmler

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Posted 18 June 2010 - 12:50 PM

Carlos

Everything is already said - just fantastic

Michael

#15 CarlosEH

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Posted 19 June 2010 - 12:54 AM

Michael,

Thank you for the compliment on my Jupiter observation. I enjoyed seeing all the detail recorded over the jovian disk. The best of luck observing Jupiter.

Carlos

#16 ericj

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Posted 20 June 2010 - 12:36 PM

Hi Carlos,

Thanks for posting your very fine sketch of Jupiter. It is always impressive to see the amount of fine detail that you record.

Best,

Eric Jamison

#17 CarlosEH

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Posted 21 June 2010 - 01:29 AM

Eric,

Thank you for the compliment on my Jupiter observation. I was impressed with the amount of detail visible. I hope that you are able to observe Jupiter yourself.

Carlos






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