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The star Altair is located near  two small but distinctive constellations: Sagitta the Arrow and Delphinus the Dolphin.

Altair your guide to small constellations

Little constellations typically have very distinctive shapes. That’s true of Delphinus the Dolphin and Sagitta the Arrow.

Corona Borealis, the Northern Crown, with its brightest star Alphecca, via Fred Espenak and AstroPixels. Used with permission.

Alphecca, the jewel in the Northern Crown

Alphecca. Gemma. Alpha Coronae Borealis or simply Alpha Cor Bor. They’re all names for one star – the brightest star in the constellation Northern Crown.


Ophiuchus and Serpent on June evenings

Ophiuchus the Serpent Bearer is one constellation that looks to me like what it’s supposed to be: a big guy holding a snake.

Waning gibbous moon just after midnight on the morning of June 23, 2016 by Deirdre Horan of Dublin, Ireland.

Where’s the moon? Waning gibbous

Look for the waning gibbous moon late at night. It might look strangely oblong. Or look for it in the west in early morning, floating against the pale blue sky.

Twilight over Manhattan.

Latest dusk for northerly latitudes

If you’re around 40 degrees N. latitude, expect your evening twilight to last latest at night, for this year, around June 24.


A signpost of southern skies

Tonight, a tribute to the Southern Cross, also known as the constellation Crux, for our friends in the Southern Hemisphere.

Image Credit:  Dan Bush

After sunup, look for the daytime moon

In the days after every full moon, a daytime moon appears in the west after sunrise, in a blue sky. Watch for it.

Adrian Strand captured this photo on a beach in northwest England.

Slowest sunsets around solstices

Here’s a natural phenomenon you might never have imagined. That is, the sun actually sets more slowly around the time of a solstice.


Things to notice at the June solstice

Some quick info that’ll help you connect with nature on this special day, June solstice 2016!

Last year's June full moon by Anthony Lynch Photography in Dublin, Ireland.

What’s special about a full moon?

You know it when you see it, but what makes a full moon full?