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http://lupuvictor.blogspot.com In the first half of this video are filmed craters like Vlacq, Rosenberger, Hommel and Pitiscus and at 4:00 minute is filmed Janssen crater. Another video made also on this date, can be viewed in article Beautiful large crater Janssen filmed with amateur astronomical telescope .
Pierre Jules César Janssen (February 22, 1824 -23 December 1907) was a french astronomer who, along with English scientist Joseph Norman Lockyer (who he has also a crater on the Moon named after him), is credited with the discovery of helium gas.
He has hunted rare astronomical events such as transits of Venus across the Sun and solar eclipses, traveling the world to get where they were held.
Vlacq crater, is named after the astronomer Vlacq Adriaan (1600-1667) which was a Dutch book publisher and author of mathematical tables.
Age of the Moon: 17 days
Phase: 93% (0% = New, 100% = full)
Distance: 396.848 km
Optics: CelestronC8 “-Newtonian telescope, plossl20mm, 2x Barlow
Mount: CG5 (EQ5) motorized
Device: Sony CX-130
Video mode: Full HD progressive 1920×1080
Filter: no
Date: 31/12/2012
Location: Baia Mare, Romania
Processing and editing: Sony Vegas 10