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Contains:  IC 1284, IC 4715, NGC 6589, NGC 6590, NGC 6595, NGC 6603
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IC 1284, NGC 6595, NGC 6590, NGC 6589, 


            Ruben Barbosa
IC 1284, NGC 6595, NGC 6590, NGC 6589
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IC 1284, NGC 6595, NGC 6590, NGC 6589

Technical card

Imaging telescope or lens:Takahashi FSQ106N f/5

Imaging camera:SBIG STL-11000 CCD

Software:Maxim DL, Gimp

Blue: 3x300"
Green: 3x300"
Lum: 13x300"
Red: 3x300"

Integration: 1.8 hours job: 2947266

RA center: 18h 19' 58"

DEC center: -18° 48' 50"

Pixel scale: 3.511 arcsec/pixel

Orientation: 181.595 degrees

Field radius: 2.349 degrees

Resolution: 4008x2672


* Image Acquisition: Jim Misti and Steven Mazlin.
* Processing: Ruben Barbosa.

The Sagittarius Star Cloud (also known as Delle Caustiche, Messier 24, IC 4715) is a star cloud in the constellation of Sagittarius, approximately 600 light years wide, which was discovered by Charles Messier in 1764. It is sometimes known as the Small Sagittarius Star Cloud to distinguish it from the Great Sagittarius Star Cloud located to the north of Gamma Sagittarii and Delta Sagittarii.

The stars, clusters and other objects comprising M24 are part of the Sagittarius or Sagittarius-Carina arms of the Milky Way galaxy. Messier described M24 as a "large nebulosity containing many stars" and gave its dimensions as being some 1.5° across. Some sources, improperly, identify M24 as the faint cluster NGC 6603.

M24 fills a space of significant volume to a depth of 10,000 to 16,000 light-years. This is the most dense concentration of individual stars visible using binoculars, with around 1,000 stars visible within a single field of view.

NGC 6595 is an open cluster with nebula:



Ruben Barbosa
License: None (All rights reserved)


  • IC 1284, NGC 6595, NGC 6590, NGC 6589, 


            Ruben Barbosa
  • Final
    IC 1284, NGC 6595, NGC 6590, NGC 6589, 


            Ruben Barbosa

Sky plot

Sky plot


IC 1284, NGC 6595, NGC 6590, NGC 6589, 


            Ruben Barbosa