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Jupiter Observation (02/27/03)

Started by Martian, 03/01/2003 11:02PM
Posted 03/01/2003 11:02PM Opening Post
I have made an observation of Jupiter under good seeing conditions. The South Equatorial Belt (SEB) looked very interesting with it's dark condensations ("clumps"). I noted a good amount of festoon activity. I welcome any comment on my observation.

Date (U.T.): February 27, 2003
Time (U.T.): 02:40
L1 011.0, L2 193.0, L3 021.1
Instrument: 9-inch (23-cm) F/13.5 Maksutov-Cassegrain
Magnification: 282x and 352x
Filters: None
Seeing (1-10): 6-7 (moments of 8/10), Antoniadi (I-V): III-II
Transparency (1-6): 4

Transit Observations:
01:55 U.T., L1 165.7, L3 354.0, WC Bay (Oval) NTrZ (NEB-N border)
02:26 U.T., L2 184.4, L3 012.6, DC Barge NEB-N
02:26 U.T., L1 002.3, L3 012.6, DC Festoon NEB-S

South Polar Region (SPR): Appears dusky to dull (4-5/10) with thin dusky (4/10) bands across the region. The south polar limb appears dusky (4/10).
South Temperate Zone (STZ): Appears bright (7/10) and thin.
South Temperate Belt (STB): Appears dark (3/10) whereas the preceding half appears broader than the following half (with two large very bright (8/10) ovals adjacent to it over the STrZ).
South Tropical Zone (STrZ): Appears bright with two large very bright (8/10) ovals over it's following half (separated by a thin, dull (5/10) band).
South Tropical Zone Band (STrZB): The STrZ contains a thin, dull (5/10) band within it.
South Equatorial Belt (SEB): Appears dark (3/10) and complex. A thin, bright (7/10) zone appears to bisect the SEB over it's preceding half then deviating towards the south over it's following half. A section of dark (3/10) condensations ("clumps") appears along it's following southern border.
Equatorial Zone (EZ): Appears bright (7/10) containing a dull (5/10) band (EZB) and blue festoon projections (3-4/10).
North Equatorial Belt (NEB): Appears dark (3/10) and thin with very dark (2/10) barges along it's northern border (NEB-N) and very dark to dark (2-3/10) blue festoons along it's southern border (NEB-S).
North Tropical Zone (NTrZ): Appears bright (7/10) with very bright (8/10) ovals along the NEB-N.
North Temperate Belt (NTB): Appears dull to shaded (5-6/10) and thin. More prominent over it's preceding half.
North Temperate Zone (NTZ): Appears shaded to bright (6-7/10), but no detail noted within.
North Polar Region (NPR): Appears dusky to dull (4-5/10) with dusky (4/10) condensations and sections noted within.

The best of luck in your own observations.


Attached Image:

Martian's attachment for post 4207
Posted 03/02/2003 07:25AM #1
Hi Carlos,

As usual, another fantastic drawing.

The large oval in the STrZ has been an interesting and prominent feature for quite a while. I imagine it can be acquired visually in smaller scopes as well.

The SEB has really been holding my interest, as well as the southern half of the planet in general as various white ovals have been seen visually quite often.

Anyway, thanks for posting another excellent observation.

Sol Robbins
Posted 03/02/2003 07:41AM #2
Wow, Carlos that 9" MCT (which brand?) of yours look like a planet busting scope! Tons of details on Jupiter. And a very nice sketch!

Looking forward to see more of your art and observation.

Ron B[ee]