The red giant star π1 Gruis in the constellation of Grus

The red giant star π1 Gruis in the constellation of Grus. This chart shows the southern constellation of Grus (The Crane) and marks most stars that can be seen with the unaided eye on a clear dark night. The red circle indicates the location of the red giant star π1 Gruis, which forms a colourful pairing with π2 Gruis, visible with a small telescope or binoculars. Credit: ESO, IAU and Sky & Telescope

The red giant star π1 Gruis in the constellation of Grus. This chart shows the southern constellation of Grus (The Crane) and marks most stars that can be seen with the unaided eye on a clear dark night. The red circle indicates the location of the red giant star π1 Gruis, which forms a colourful pairing with π2 Gruis, visible with a small telescope or binoculars.
Credit: ESO, IAU and Sky & Telescope

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