Universe Guide

Home / Facts / Nebula

Lagoon Nebula (M8, NGC6523)

Lagoon Nebula is an emission nebula object of interest in space. It lies at a distance of 4.1 light years away in the constellation of Sagittarius. It is referred to as M(8) when it was catalogued by Charles Messier in 18th - 19th Century France. It is referred to as NGC(6523) in the New General Catalogue. This is a list of deep space objects that was compiled by John Louis Emil Dreyer in 1888 in an update to John Herschel earlier catalogue. Lagoon Nebula was discovered in 1747 by Le Gentil. The Emission Nebula's location is 18:03.8 (R.A.) and -24:23 (Dec.). Its Visual Brightness is a 6.0 Magnitude and has an apparent magnitude of 6 with an apparent dimension of 90x40 .

The Lagoon Nebula (M8, NGC6523) is an Emission Nebula that was first discovered by Giovanni Battista Hodierna before 1654, and was then recovered by Guillaume Le Gentil in 1747 and independently noted as a "Nebula" by John Flamsteed about 1680 – who cataloged it as his Number 2446 ref:U.T.

Fact File

NameLagoon Nebula
TypeEmission Nebula
Messier Id8
NGC Id6523
TypeEmission Nebula
Right Ascension18:03.8
Distance (Lt.Yr)4.1
Visual Brightness6.0
Apparent Dimension90x40
Apparent Magnitude6
Year of Discovery1747
DiscovererLe Gentil

Lagoon Nebula (M8, NGC6523) Emission Nebula in Sagittarius