Change of Venus in 2007



DateTimeExp. time,
# of shots		TelescopeEyepieceCameraFocal
length		Syn. FLocation
Jun 6, 200720:321/100sec., 300shotsVIXEN VC200L2X BarlowToU cam Pro II3600mm18.0Kokoubunji city, Tokyo
Jun 20, 200720:121/100sec., 340shotsPENTAX 75EDHFRadian 4mmToU cam Pro II4500mm60.0Kokoubunji city, Tokyo
Jul 7, 200719:311/100sec., 490shotsPENTAX 75EDHFRadian 4mmToU cam Pro II4500mm60.0Kokoubunji city, Tokyo
Jul 28, 200717:021/1500sec., 600shotsMeade 25cm Schmidt-CassegrainPrime focusToU cam Pro II2500mm10.0Ooizumi, Hokuto city, Yamanashi pref.
Aug 9, 200710:351/125sec., 5shotsTAKAHASHI FC125Radian 10mmOLYMPUS C5060WZ8015mm18.3Ooizumi, Hokuto city, Yamanashi pref.
Aug 15, 200711:431/350sec., 4shotsTAKAHASHI FC125Radian 10mmOLYMPUS C5060WZ8015mm18.3Ooizumi, Hokuto city, Yamanashi pref.
Aug 17, 20079:181/125sec., 8shotsPENTAX 75EDHFLV5mmOLYMPUS C5060WZ8015mm30.5Kokoubunji city, Tokyo
Aug 25, 200711:011/250sec., 8shotsTAKAHASHI FC125Radian 10mmOLYMPUS C5060WZ8015mm18.3Ooizumi, Hokuto city, Yamanashi pref.
Sep 22, 20079:051/350sec., 5shotsTAKAHASHI FC125Radian 10mmOLYMPUS C5060WZ8015mm18.3Ooizumi, Hokuto city, Yamanashi pref.


This image shows you the change of size and phase of Venus in 2007. The Venus approaches to the Earth as waning, and had the inferior conjunction on Aug 16, passed just south of the sun. In that time the Venus had a brightness of about -4th magnitude and a diameter of about an arc minutes, but we need a telescope to see the Venus because it's so close to the sun.


The Venus Transit in the clouds on Jun 8, 2004
Venus just after inferior conjunction

Copyright(c) 2008 by Naoyuki Kurita, All rights reserved.
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