Top picture: M 17, two nights by @lumen_luca

M 17 · Nebula · Sagittarius

Swan Nebula

Also known as NGC 6618 · LBN 60 · Checkmark Nebula · Lobster Nebula · omega Nebula

Shot with Seestar S50 ×1 · Seestar S50 Pro ×1 · Sky-Watcher Esprit 100ED ×1

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Type

Nebula

Constellation

Sagittarius

Position (J2000)

18h 20m 47s · −16° 10′ 17″

Discovered

by Jean-Philippe de Cheseaux in 1745

Pictures

3

Typical integration

3.7 h

Magnitude

7

visual

Size

12.6′

Distance

~5,500 ly

Best months

May–Jul

Catalogue data from OpenNGC by Mattia Verga, CC BY-SA 4.0. Distances, discoverers and common names from Wikidata, CC0.