Abell 2152, a galaxy cluster in Hercules .
This image is a stack of 19 two minute exposures using a 5" f/6 refractor,
for a total integration time of 48 minutes.
The image was calibrated and stacked using AIP4WIN.
This image has been cropped down from its original size of 1285x986.
Click on it to see a full size image.
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