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Almanac > Messier Objects

M6

M6 is a Open Cluster in Charles Messier's catalog of deep sky objects.
 

 



M6

 
 
Fact Sheet

Messier Number

  M6

Catalog Number

  NGC 6405

Constellation

  Scorpius

Location

  17 40.1 (Right Ascension)

  -32 13 (Declination)

Integrated Visual Magnitude

  5.3

Angular Size

  15 arc minutes

Type

  Open Cluster

Distance From Earth

  2,000 light years

Common Name

  Butterfly Cluster

Discoverer

  Giovanni Battista Hodierna in 1654

 
Description

Overview:
The Messier Object M6 is a Open Cluster discovered by Giovanni Battista Hodierna in 1654. It has an angular size of 15 arc minutes.

Location:
M6 is located inside the constellation Scorpius at RA 17 40.1 and Declination -32 13. It is 2,000 light years from Earth which makes it the 13th furthest Messier Object from Earth.

Brightness:
Compared to other objects from the Messier catalog, M6 is a bright deep space object with a visual magnitude of 5.3.