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Tuesday, January 08, 2013

 

Occultation of Spica by the Moon, 6 January 2013, the Follow-Up

Widefield image taken at around 5:00 am ACDST, Infinity to infinity focusing, Canon IXUS through a 20 mm eyepiece on a 4" unguided Newtonian (click to embiggen any image) .Close-upimage taken at around 5:26 am ACDST, Infinity to infinity focusing, Canon IXUS through a 20 mm eyepiece on a 4" unguided Newtonian. As Spica came close to the Moon, I changed the zoom factor on the IXUS to 3x get a close-up view.
Overlay of 10 widefield images using ImageJ, because the scope was unguided, the images don't register very wellOverlay of 9 close-up images using ImageJ, because the scope was unguided, the images don't register very well. Bumped the scope at the last minute, so I missed Spica going behind the Moon.


Animation made from the 10 wide-field frames, stacked and registered in ImageJ


Animation made from the 9 close-up frames, stacked and registered in ImageJ




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