Australian Sky & Telescope

Two planets to observe at opposition

We have two planetary oppositions to cover this issue, plus the usual inner planet conjunctions as well as the southern spring equinox.

Let’s start as we always do, with the innermost planet, (mag. 0.3, dia. 7.5˝, Aug. 10), which begins August in the western evening sky. Reaching greatest elongation (i.e. angle from the Sun) of 27° on the 10th, you’ll find that it has a companion —

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