The Sky Today on Sunday, July 27: An open cluster in the Eagle

This evening, look high in the southeast a few hours after sunset to find the stately constellation Aquila the Eagle, anchored by its brightest star, magnitude 0.8 Altair. In the northwestern regions of this constellation, near where it borders Ophiuchus, the bright open cluster NGC 6709 is our target for study tonight. Shining at magnitudeContinue reading “The Sky Today on Sunday, July 27: An open cluster in the Eagle”
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