Observing

1. This Week’s Sky at a Glance, September 21 – 29

   Mars, in southern Capricornus, fades from magnitude –1.5 to –1.3 this last week of September, still as bright as Sirius. It shines highest in the south soon after dark and sets around 2 a.m.

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2. Here Comes the Harvest Moon!

   This month's Harvest Moon will be up early to light the night as well as act as a beacon for watching the annual fall bird migration through a small telescope.

   The post Here Comes the Harvest Moon! appeared first on Sky & Telescope.

3. This Week’s Sky at a Glance, September 14 – 22

   The Moon hangs over Antares at nightfall on September 15th, as shown above. Far left of the Moon are Saturn, then Mars. To the Moon's lower right shines Jupiter.

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4. Equuleus, the Constellation Nobody Knows

   Often passed over in favor of showier sights, the constellation of the Little Horse has charms of its own. Let's saddle up and go for a ride.

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5. This Week’s Sky at a Glance, September 7 – 15

   Scorpius lies down in the south-southwest as night arrives. Its brightest star, Antares, appears about midway between Jupiter in Libra and Saturn in Sagittarius.

   The post This Week’s Sky at a Glance, September 7 – 15 appeared first on Sky & Telescope.