Sadalsuud is a relatively small, faint star within the Aqr constellation. Believed to be a red dwarf, its approximate magnitude is 2.712 – signifying it appears as a relatively dim, reddish-orange star. The star is remarkably distant, located approximatel

The star's existence has been compellingly linked to the ancient Mesopotamian astronomy, providing valuable insights into the early celestial mapping of this region. While the exact characteristics remain largely subject to ongoing observation, its prominent position within the Aqr constellation—a loose grouping of stellar objects – positions Sadalsuud in a relatively secure location in the night sky. It exhibits a modest, relatively low luminosity, and its spectral characteristics—though often difficult to define accurately—fit a red dwarf model. The positioning also allows one to see its features with simple instruments at high magnification.

For centuries, Sadalsuud has been revered as a beacon and a point of spiritual importance to individuals across multiple cultures, lending significance to the designation of 22Bet Aqr. Its historical and symbolic associations encourage wonder and a palpable sense of antiquity. In today's context, it acts as a tangible link through a distant past, a celestial body whose ancient history continues to resonate quietly across the cosmos.

How to see it

Sadalsuud has a visual magnitude of about 2.71: under a reasonably dark sky it is typically reachable with the unaided eye.

Sky position

Equatorial coordinates for Sadalsuud: right ascension 21h 31m 34s, declination −5° 34′ 16″ (J2000), in the region of the Aquarius constellation (IAU figure Aqr).

Aquarius — Explore by constellation

Catalog context

Sadalsuud. It appears in classical and modern catalogs as Bayer/Flamsteed designation 22Bet Aqr, HIP 106278, HD 204867, Gaia DR3 2671038928727970944. In the SkyKeepsake Aquarius (Aqr) browse hub it sits with other stars of the same IAU figure.

Catalog identifiers

Gaia

Gaia DR3 2671038928727970944

HIP

106278

HD

204867

gaia_dr3

2671038928727970944

Bayer / Flamsteed

22Bet Aqr

Observed properties

Visual magnitude

2.71