Deep Sky Monitor From Curiosity to Cosmos.

Sagittarius Sgr

Sagittarius is one of the 88 constellations, covering 868 square degrees of the sky (15th largest). It is highest at midnight in July and best in the evening sky in August and September.

37 of its best-known objects have a page of their own here.

Facts

AbbreviationSgr
Size868 square degrees (15th largest of the 88; the full Moon covers about 0.2)
Middle (J2000)19h 10m, −28°
Highest at midnightJuly (in the evening, around 8–10 pm: August and September)
How highFrom India (about 20° N) its middle climbs to about 42° above the horizon; from 50° N, to about 12°.
Pages here37 objects

Galaxies

2

Nebulae

5

Star clusters

14

Black holes, pulsars and other extreme objects

1

Stars

14

Other objects

1

Brightest NGC and IC objects

OpenNGC
ObjectTypeMagnitudeSize
M24 · IC 4715 (Small Sgr Star Cloud)Association of stars 4.5120′
NGC 6530 (on the map)Star cluster with nebula 4.66′
M25 · IC 4725Open star cluster 4.614.1′
M23 · NGC 6494Open star cluster 5.516.8′
M8 · NGC 6523 (Lagoon Nebula)Nebula 5.845′
M21 · NGC 6531Open star cluster 5.96′
M55 · NGC 6809Globular star cluster 6.512′
M18 · NGC 6613Open star cluster 6.96′
M28 · NGC 6626Globular star cluster 6.95.1′
M17 · NGC 6618 (Checkmark Nebula)Nebula 712.6′
NGC 6716 (on the map)Open star cluster 7.57.2′
NGC 6520 (on the map)Open star cluster 7.65.4′

Smaller magnitudes are brighter; the faintest stars the eye sees are about 6. The full Moon is about 31′ across.

Data: IAU constellation boundaries (Roman 1987) · OpenNGC (Mattia Verga, CC BY-SA 4.0) · Data sources & credits