Saturn Section: August 13, 2000

2000年 8月13日の土星

新川勝仁,D.Peach
Masahito Niikawa, Damian Peach


Damian Peach (305mm SCT, Drawing)

SATURN OBSERVATION, AUGUST 13th, 2000.
D.A. Peach, Kings Lynn, Norfolk, UK.
12" (30.5cm) Meade SCT.
Magnification: 406X. 
Filters: No Filters.

Seeing very variable (1-9.) Frequent periods of fast high altitude turbulence.
Transparency variable, with frequent high haze/low clouds (cloud - 5.0mag.)
Light S wind (0 - 5mph.) No Dew.
Observation comments:
Very variable seeing and transparency caused problems, though there were a few short periods of good - excellent seeing during which the most detail was seen.

The STrZ area appeared as two lighter bands, with a hint of green colour to them. The SEBs was again seen, although quite faint. SPC again appeared blue/grey, with a faint SSTB visible. The EB was very faint, and hardly detected.

The rings appeared as in pervious observations, though during one short period of very stable seeing, the Keeler gap was suspected at the f. ansa.


Masahito Niikawa (280mm Schmidt-Cassegrain, Digital Camera Minlta Dimage EX1500)

2000/08/13 19:30:10 (UT)
CMI = 225.6, CMIII =  49.7
De = -26.7, E.Dia = 17.91"
8 frames composite

2000/08/13 19:38:36 (UT)
CMI = 230.6, CMIII =  54.5
De = -26.7, E.Dia = 17.91"

8 frames composite

Condition:
Telescope : C11 (SC) D=280mm fl=2800mm Camera :Minolta DimageEx1500 Digital Camera taking lens removed Effective F No.: 25 (XP24mm Eyepiece Projection) Filter: IR cut & Low-pass built-in the camera Obs.site : Mozuhonmachi Sakai-City Osaka Japan Exposure : 1/3 sec Analog gain: 6dB Seeing = 5/10 Transarency = 2/6

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