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Monday, September 20, 2010


Comet 103P/Hartley near PGC 71451

Comet 103P/Hartley is continues to grow brighter. Still below unaided eye visibility, it should be readily visible in binoculars to northern hemisphere observers. Of course, it's a small fuzzy dot, so it won't be too exciting to see.

Here in the southern hemisphere, it's around a handspan above the northern horizon at midnight, and will be very difficult to gimpse through the murk of the horizon, unless you have very clear skies.

These images were taken with Global Rent-a-Scope telescope GRAS-05.

These are a stack of 4 x 90 second images (my previous image was a stack of 4 x 120 second images). The top image is stacked and summed on the comet, the second is stacked and summed on the stars to bring out the galaxy PGC 71451.

It's, ummm, the faint fuzzy dot just near the brightest star in the frame (click to embiggen). The whirlpool galaxy it is not.

Not sure if the animation will work.

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