HD 189751 is a variable and double star in the constellation Cygnus. The binary is also known as SAO 69238 and STT 394. It is a 7th magnitude star.
Tag Archives: Cygnus
NGC 6826: A Blinking Planetary Nebula in Cygnus
As one stares at the central star, or uses averted vision, the nebula’s fuzzy cloud may come into view as if turning on a light switch. Because of this, some refer to NGC 6826 as the “blinking planetary.”
NGC 6866: One of Caroline’s Bright Clusters in Cygnus
NGC 6866 is a rich cluster with close to 100 stars, making it a good target for backyard astronomers. Caroline Hershel discovered the cluster in the summer of 1783.
31 Cygni: A Trio of Orange, Blue, and White Stars
31 Cygni (Omicron Cygni) is a triple star system in Cygnus with large orange giants and blue companions, ideal for telescope observers in fall.
Albireo: A Stunning Double Star of Indigo and Gold
Albireo is a celestial gem—a stunning double star due to the sharp contrast between its indigo and gold color.
16 Cygni: A Double Dose of Yellow Stars in Cygnus
16 Cygni is a double star system in the constellation Cygnus. It’s best viewed in summer through early autumn. By the way, Cygnus is also known as the Northern Cross. 16 Cygni is the right-hand star in the cross. With a small telescope, you’ll be able to see this nice pair of sun-like stars. Known as SAO 31898.
Messier 39 (NGC 7092): A Larger Cluster of Straggling Stars in Cygnus
This collection of around 30 stars is only 800-1000 light years away, closer to us than many star clusters. Due to its close proximity, it’s larger and spread across a region larger than the moon.
NGC 7063: A Cluster Looking Like the Big Dipper
NGC 7063 is an open cluster in the constellation Cygnus. It’s best viewed in summer through early autumn. This 7th-magnitude cluster is best viewed with a telescope. It is 2200 light years away from us and relatively small at six light years in diameter. My Observations DateOctober 1, 2022Time9:40 p.m.LocationSeattle, WAMagnification169xScopeMeade 8″ SCTEyepiece12mmSeeingGoodTransparencyGood Key StatsContinueContinue reading “NGC 7063: A Cluster Looking Like the Big Dipper”