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Contains:  IC 4715, NGC 6603, IC 1284, NGC 6595, NGC 6590, NGC 6589
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Messier 24 Star cloud and IC1284, 





    
        

            Roberto Colombari
Messier 24 Star cloud and IC1284

Messier 24 Star cloud and IC1284

Technical card

Resolution: 4856x3216

Astrometry.net job: 2117467

RA center: 274.491 degrees

DEC center: -19.002 degrees

Pixel scale: 2.612 arcsec/pixel

Orientation: 187.174 degrees

Field radius: 2.113 degrees

Data source: Traveller

Description

Messier 24 Star cloud and IC1284

New versions:
- got rid of magenta
- desaturation of the blue channel to reduce halos
- a little bit of unstretch

A stable window of good weather allowed us to make a trip to our dark site in Santana do Riacho, last Saturday, for gathering the last photons before the moon starts to appear again in the sky.

Humidity was quite heavy and some high clouds forced us to stop a couple of times during the night.

Here is the first of the 2 images I took.

Takahashi FS60c
CMOS camera
Pegasus Astro
Feather touch FTF2015BCR-RP
HEQ5

Exp.: 33·150s, gain 11

Copyright: R. Colombari
_________________________________________

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.[1]

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.

Source: Wikipedia

Comments

Author

rob77
Roberto Colombari
License: None (All rights reserved)
160710
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Messier 24 Star cloud and IC1284, 





    
        

            Roberto Colombari

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