Saturn Section: October 8, 1999

1999”N10ŒŽ 8“ϊ‚Μ“y―

’r‘Ίr•FAVμŸm
T.Ikemura, M.Niikawa

Masahito Niikawa (280mm Schmidt-Cassegrain, Digital Still Camera Minolta Dimage EX1500)
Condition:
1999/10/08(UT)
 16h01m38s(UT) I=109.8 III=245.4,  8 frames compsoite
 17h53m42s(UT) I=175.5 III=308.5, 13 frames compsoite
 18h02m09s(UT) I=180.4 III=313.3, 14 frames compsoite
 18h13m30s(UT) I=187.1 III=319.7,  4 frames compsoite

Seeing = 4/10 Trans.= 3/10
All images are taken with ;
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
Image Processing;
  • Enhanced with the unsharp masking method.
Toshihiko Ikemura (310mm Newton, Digital still camera NEC Picona)
Condition:
1999/10/08(UT)
16:21:14(UT) I=121.3 III=256.5, 6 frames composite


De=-22.6  E.Dia=19.86"
Ring Long  dia 45.27"  Ring short dia 17.39"  
310mm Newtonian(F5)
TeleVue barlow 5x  f/30
Digital camera NEC PICONA 1/7sec
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