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Messier 73 (NGC 6994): A Pattern of Four Stars Once Mired in Debate

This small pattern of four stars created substantial debate for years, but now we know it's a simple asterism that looks like a spaceship from Asteroids!

Posted byWayne McGrawOctober 11, 2021April 1, 2023Posted inMessier Objects, Star ClustersTags:AquariusLeave a comment on Messier 73 (NGC 6994): A Pattern of Four Stars Once Mired in Debate

Finding Neptune: Viewing My Favorite Planet for the First Time

The fuzzy sapphire floating on the firmament was finally mine.

Posted byWayne McGrawOctober 8, 2021November 11, 2025Posted inSolar System, Top ObjectTags:Prime2 Comments on Finding Neptune: Viewing My Favorite Planet for the First Time

8 Lacertae: Crystal Blue Persuasion

Illustration of a double star.

This multiple star system contains some pretty pale blue stars floating among the dim constellation of the Lacerta.

Posted byWayne McGrawOctober 8, 2021December 7, 2025Posted inDouble/Multiple StarsTags:8 Lacertae, Astronomy, Autumn, Double Star, Lacerta, Struve 2922, Winter4 Comments on 8 Lacertae: Crystal Blue Persuasion

Messier 103 (NGC 581): A Star Cluster Far Far Away

Say hello to one of the most remote open star clusters in the Messier catalog.

Posted byWayne McGrawOctober 7, 2021April 1, 2023Posted inMessier Objects, Star ClustersTags:Cassiopeia1 Comment on Messier 103 (NGC 581): A Star Cluster Far Far Away

Dabih: A Wide Naked-Eye Double Victim of Lunar Occultations

Dabih has several intriguing factors, including that it sails along the ecliptic, so it can be occulted by the Moon.

Posted byWayne McGrawOctober 2, 2021December 25, 2022Posted inDouble/Multiple StarsTags:CapricornusLeave a comment on Dabih: A Wide Naked-Eye Double Victim of Lunar Occultations

Algedi Prima: A Creamy Yellow Double Star in Capricornus

Algedi Prima is a nice optical double with a surprising twist: The stars look the same in the telescope but they are hundreds of light years apart!

Posted byWayne McGrawOctober 2, 2021September 17, 2025Posted inDouble/Multiple StarsTags:Capricornus1 Comment on Algedi Prima: A Creamy Yellow Double Star in Capricornus

Zeta Cephei: Warm Red Supergiant in Cepheus

Zeta Cephei is a red-orange supergiant star in the constellation of Cepheus.

Posted byWayne McGrawSeptember 1, 2021June 15, 2025Posted inNotable StarsTags:CepheusLeave a comment on Zeta Cephei: Warm Red Supergiant in Cepheus

31 Cygni: A Trio of Orange, Blue, and White Stars

Photo of the double star 31 Cygni.

31 Cygni (Omicron Cygni) is a triple star system in Cygnus with large orange giants and blue companions, ideal for telescope observers in fall.

Posted byWayne McGrawSeptember 1, 2021November 10, 2025Posted inDouble/Multiple StarsTags:Autumn, Cygnus, SummerLeave a comment on 31 Cygni: A Trio of Orange, Blue, and White Stars

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