Features Of Interest

ALPHA (a) CANUM VENATICORUM (COR CAROLI) 5 The constellation's brightest star, a wide double of magnitudes 2.9 and 5.6, easily separated by small telescopes. The name Cor Caroli (Charles's Heart) commemorates King Charles I of England.

Y CANUM VENATICORUM (LA SUPERBA) K A deep red supergiant that fluctuates between magnitudes 5.0 and 6.5 every 160 days or so.

M3 K 5 An impressive 6th-magnitude globular cluster, easily found with binoculars as a rounded ball of light between Cor Caroli and Arcturus.

M51 (THE WHIRLPOOL GALAXY) K 5 A famous spiral galaxy, visible through binoculars as a round patch of light. Moderate-sized telescopes are needed to make out the spiral arms.

M63 (THE SUNFLOWER GALAXY) 5 A spiral galaxy visible through small telescopes as a slightly elongated patch of light.

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