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Thomas Walker
June 23, 2013
1367
post image

Acquisition Details

Date Posted: June 23, 2013

Equipment card

Description

"Super Moon" taken from from Top Of Mississippi Skies Observatory. It is called that because it appears to some to be larger due to the occurrence of a full moon at the same time the moon is near its closest point to the earth. The difference in apparent size at full moon between perigee - its closest point and apogee - its farthest point is about 14%. While the average distance from Earth to Moon in its elliptical orbit is 238,857 miles, or 384,403 km; it was approximately 219,732 mi, or 353,625 km from the earth (19,125 mi, or 30,778 km closer) at the time of the photo (2:01 am on Jun 23, 2013, about 4 1/2 hrs before the precise full moon). The image was taken with a TMB-130 Apochromatic refractor at f/7 through an ImagingSource DBK-41 video camera, mounted on a Celestron CGE-Pro mount. Image consists of a mosaic of 6 sub-images each from stacking the best 300 of over 2000 AVI frames for each sub-image in Registax 6 and assembled in PhotoShop. Final sharpening was performed in ImagesPlus v5.5.



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