I spent 3 hours imaging this globular and ended up with 2 1/2 hours of data. How much imaging time should I spend on this wonderful object is always a debate? Not sure if the image will maybe come out better with 10 vs 2 hours??
While I have previously imaged M13 I decided to redo since I am utilizing an EAF to obtain pinpoint stars. In the past it was done by "eyeball" and the EAF has made a world of difference.
In 1974 the
Arecibo message, which contained encoded information about the human race, DNA, atomic numbers, Earth's position and other information, was beamed from the
Arecibo Observatory radio telescope towards Messier 13 as an experiment in contacting potential extraterrestrial civilizations in the cluster. M13 was chosen because it was a large, relatively close star cluster that was available at the time and place of the ceremony. The cluster will move through space during the transit time so opinions differ as to whether or not the cluster will be in a position to receive the message by the time that it arrives
.*
*Wikipedia, accessed 4/30/24:
https://en.wikipedia.org/wiki/Messier_13
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