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Community photo entitled Globular cluster Messier 4 by Guido Santacana on 06/12/2024 at San Juan, Puerto Rico

Globular cluster Messier 4

On 06/12/2024 by Guido Santacana| San Juan, Puerto Rico

Globular cluster Messier 4, captured as the constellation Scorpius rose above the south-eastern horizon. The bright reddish star Antares can be seen at left. This was taken in the midst of a large power blackout, which improved viewing conditions from the usual Bortle class 8, to about class 5 and possibly 4. The sky was not only clear but also transparent, which is an unusual occurrence for the tropical summer.

DWARF II Smart Telescope. Stack of 245, 10-second exposures.