How to find Hercules Globular Cluster (M13) using Draco

This guide uses bright stars first, then narrows the field for a telescope or binocular finder. Use Draco as the main sky landmark.

Follow the route from one recognizable star to the next until you reach Hercules Globular Cluster (M13).

Hercules Globular Cluster (M13) is 19° above the horizon toward the northwest.

Begin with Draco, then follow the reference stars toward Hercules Globular Cluster (M13).

Draco

Recognize the characteristic star pattern of Draco before following the route.

Identify Alphecca in or near Draco; the chart shows its position relative to the guide.

From Alphecca, move about 6.7° toward the northeast until you reach HYG 78493.0.

From HYG 78493.0, move about 5.9° toward the northeast until you reach HYG 80197.0.

From HYG 80197.0, move about 2.3° toward the northeast until you reach HYG 80888.0.

From HYG 80888.0, move about 2.5° toward the northeast until you reach Hercules Globular Cluster (M13). This is the target field.