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Grazing occultation by the Earthmoon
SAO 77775 +4.8mag

Friday, 09 January 2009 at 16h40 UT

Detailed data of grazing star occultation

about occulted star
Moon drawing
General view
Graze profile (Lon=15°)
of contact limb
Grazing path

Graze calculations with software Occult4

Interactive Map of Graze Path - calculated for nominal height of 0m (MSL)

This is a beta test (does not work on all browsers) using GOOGLE Maps, coding by Geoff Hitchcox. Kiwi Geoff, Christchurch, New Zealand.
Zoom in and out with control at left of map. You can "drag" map by holding down left mouse button.
Double-clicking will center map at tip of mouse pointer, the lat/lon and perpendicular distance from graze limit line is then given beneath map.

Green = Graze limit line.
Gray = User defined offsets to limit line to delineate graze "zone".

#### Handy HINT #### If you are using dialup and not all tiles load on the map, press the "-" pad on the zoom control (left side of map) then one second later press the "+" pad. This will take you back to the same zoom setting, but reload any tiles that are missing. ENJOY! Positive offset values are NORTH of limit line, negative values are SOUTH of limit line.

To set gray offset line A (in km perpendicular to GREEN limit line), edit this box then
To set gray offset line B (in km perpendicular to GREEN limit line), edit this box then

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January 06, 2009
KuvertQuestions and suggestions to => Gerhard Dangl

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