Messier catalogue

M20

M20 comes up on 2 photographs published here.

The photograph

What this number shows here

Nébuleuse Trifide, M20, longest exposure 7h 57 — Nébuleuse Trifide 7h 57 · DwarfLab DWARF 3

What M20 stands for, at: NASA, catalogue Messier de Hubble, Messier 20.

Object photographed: Nébuleuse Trifide
Family: Nébuleuse
Constellation: Sagittaire
Shots taken: 2
Night of the capture: 4 July 2026
Cumulative integration: 7h 57
Filter: Duo-bande
Instrument: DwarfLab DWARF 3

See the full entry

La Lagune et la Trifide, M20, longest exposure 11h 23 — La Lagune et la Trifide 11h 23 · Vaonis Vespera Pro

This photograph is published under M8 · M20. It shows them together, in the same field. I do not log where the boundary between them runs: what M20 covers exactly is read at the source, not here.

Object photographed: La Lagune et la Trifide
Family: Nébuleuse
Constellation: Sagittaire
Shots taken: 1
Night of the capture: 3 July 2026
Cumulative integration: 11h 23
Filter: Duo-bande
Instrument: Vaonis Vespera Pro

See the full entry

Messier catalogue

Where this number comes from

A catalogue drawn up by Charles Messier in the 18th century.

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The other names

The other names for this photograph

M8 La Lagune et la Trifide

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