Red binary stars of Canis Major.

In addition to these , don’t overlook the “double triple” of S538,β324 and S537 at 06h49.6m. -24 09′. In a wide field these present a stunning view. Some red ones ,

S541 at 23.3″ (+7.5, +8.5) at 06h56.6m. -22 39′.

Bu 20 at 3.0″ (+7.5,+11) at 06h48.8m. -16 12′.

B 120 at 2.0″ (+7.5, +10.5) at 06h49.1m. -26 03′. (SAO 172373)

Bu 572 at 5.2″ (+7, +11) at 07h00.6m  -20 38′.

Σ 1011 at 4.2″ (+8,+8.5) at 07h00.9m -15 19′.

Dont forget the wonderful “Winter Albireo ” , HJ 3945, orange and royal blue at 26.8″ ( SAO 173353, at 07h16.6m. -23 19′)

Colour is one of the few things that smaller aperture will excel in showing. It’s always been a source of wonder when you can pick out colour on the darkest of nights,

Nick.

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