Sky and Telescope - June 2018 - 76
THE HEART OF HERCULES
Bob and Janice Fera
Abell 2151, the Hercules Cluster, contains
some 200 spiral and elliptical galaxies roughly
a half billion light-years distant.
DETAILS: PlaneWave CDK17 astrograph with
Apogee U16M CCD camera. Total exposure: 12.8
hours through Astrodon Gen2 LRGB ﬁlters.
J U N E 2 018 * SK Y & TELESCOPE