Globular Cluster · Scorpius

M80 NGC 6093

Magnitude
7.3
Season
Summer
Difficulty
Easy
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M800.0° field0° rotation
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Imaging reference
NGC 6093 (M80) Globular Cluster

Observer's guide

About NGC 6093

NGC 6093 (M80) is catalogued as a globular cluster in Scorpius. Its J2000 position is RA 16:17:02.51, Dec -22:58:30.4, corresponding to 244.26 degrees RA and -22.9761 degrees Dec. The local catalogue places it about 27,400 light-years away. Its referenced angular extent is approximately 8.9 by 8.9 arcminutes.

Observing tips

StarWatchr rates this as an easy target at magnitude 7.3. It is associated with summer observing, with midnight placement typically strongest around May. From 52 degrees north its theoretical meridian altitude is about 15 degrees; local horizons and the live altitude chart determine the practical window.

A small telescope under reasonably dark skies is a good starting point; use the live altitude chart to choose its highest point.

What to expect

The SIMBAD classification for the matched source is GlC. A published radial velocity value is 11.2 km/s. The SIMBAD record currently connects it to 789 bibliographic references.

At roughly 8.9 arcminutes across, it benefits from a narrower field and adequate image scale. Use the listed 8.9 by 8.9 arcminute extent to check framing, and treat catalogue magnitude as integrated brightness rather than a direct measure of visual contrast.

Sourced catalogue data

Scientific record

Measurements for M80 are kept separate from practical observing guidance.

Coordinates (J2000/ICRS)
RA 244.260042° · Dec -22.976083°
SIMBAD classification
GlC
Angular extent
8.9′ × 8.9′
Position angle
90°
Radial velocity
11.2 km/s
Redshift
0.00003736
Linked bibliography
789 references
Best midnight placement
May
Observable latitude range
-90° to 67°

Source: SIMBAD astronomical database (CDS, Strasbourg) (ODbL; checked 2026-08-09). Catalogue values may change when new measurements are published.

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24-hour altitude profile

Use the highest part of the curve to plan the clearest observing window.

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