Saturnian Occultation on Jan 25, 2002

Date & Time: Jan 24 2002, 1/6sec. exposed each, Times in images are JST(+0900)
Optical: VIXEN 20cm(7.9") VISAC, collimation with LV12mm magnifier
Synthesized focal length f=2865mm (equivalent f=15356mm in 35mm film format)
Auto-guided with TAKAHASHI EM-200 Equatorial
Digital Camera: OLYMPUS C-2020Z
Location: Kokubunji-city, Tokyo

Camera Settings: Mode.....SHQ (1600 x 1200, high-quality JPEG format)
Lens.....f=19.1mm (equivalent f=105mm in 35mm film format), Stop: F2.8
CCD sensitivity.....ISO400, White Balance.....Auto

In midnight of Jan 24, 2002, a rare sky event of Saturnian occultation was observed in western Japan. Moreover my viewpoint was positioned on the limit line of occultation, the Saturn was grazed the northern edge of Moon of 11th age. Although almost every regions of Japan was blessed with fine weather without any clouds, the elevation of Moon was lower than 10 degrees, the atmospheric seeing was very poor.
This set of images shows you the progress of occultation for about 7 minutes. The Saturn itself was not hidden behind the Moon, the outer part of Saturnian ring was grazed by lunar mountains one after another.

Saturnian Occultation(Mar 20, 2002)

Saturnian Occultation(Oct 16, 1997)

Copyright(c) 2002 by Naoyuki Kurita, All rights reserved.
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