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NGC 2070 Tarantula Nebula, 



    
        

            urmymuse
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NGC 2070 Tarantula Nebula

Getting plate-solving status, please wait...
NGC 2070 Tarantula Nebula, 



    
        

            urmymuse
Powered byPixInsight

NGC 2070 Tarantula Nebula

Technical card

Dates:Jan. 31, 2020

Frames: 17x300" (1h 25')

Integration: 1h 25'

Avg. Moon age: 5.97 days

Avg. Moon phase: 35.23%


RA center: 05h36m36s.850

DEC center: -69°1501.26

Pixel scale: 1.751 arcsec/pixel

Orientation: -179.969 degrees

Field radius: 1.298 degrees

More info:Open 


Resolution: 4081x3437

Data source: Amateur hosting facility

Remote source: iTelescope

Description

Another one of what will be a very occasional series of images taken through the itelescope service ... this one using telescope 8 which is a wide field set up ... heavy crop

Didn't get as much time on this due to various issues and still no sulphur ! But I like it !

11 x 300 Ha

6 x 300 Oiii

From wiki ....

The Tarantula Nebula was observed by Nicolas-Louis de Lacaille during an expedition to the Cape of Good Hope between 1751 and 1753. He catalogued it as the second of the "Nebulae of the First Class", "Nebulosities not accompanied by any star visible in the telescope of two feet". It was described as a diffuse nebula 20' across.[5]

Johann Bode included the Tarantula in his 1801 Uranographia star atlas and listed it in the accompanying Allgemeine Beschreibung und Nachweisung der Gestirne catalogue as number 30 in the constellation "Xiphias or Dorado". Instead of being given a stellar magnitude, it was noted to be nebulous.[6]

The name Tarantula Nebula arose the mid 20th century from the appearance in deep photographic exposures.[7]

30 Doradus has often been treated as the designation of a star,[8][9] or of the central star cluster NGC 2070,[10] but is now generally treated as referring to the whole nebula area of the Tarantula Nebula.[11][12]

The Tarantula Nebula has an apparent magnitude of 8. Considering its distance of about 49 kpc[2] (160,000 light-years), this is an extremely luminous non-stellar object. Its luminosity is so great that if it were as close to Earth as the Orion Nebula, the Tarantula Nebula would cast visible shadows.[13] In fact it is the most active starburst region known in the Local Group of galaxies. It is also one of the largest H II regions in the Local Group with an estimated diameter around 200 to 570 pc,[2][3] and also because of its very large size, it is sometimes described as the largest although other H II regions such as NGC 604 which is in the Triangulum Galaxy could be larger.[3] The nebula resides on the leading edge of the LMC where ram pressure stripping, and the compression of the interstellar medium likely resulting from this, is at a maximum.

30 Doradus has at its centre the star cluster NGC 2070 which includes the compact concentration of stars known as R136[14] that produces most of the energy that makes the nebula visible. The estimated mass of the cluster is 450,000 solar masses, suggesting it will likely become a globular cluster in the future.[15] In addition to NGC 2070, the Tarantula Nebula contains a number of other star clusters including the much older Hodge 301. The most massive stars of Hodge 301 have already exploded in supernovae.[16]

Note - images reloaded after the great astrobin data disaster of 16/02/2020

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Revisions

  • NGC 2070 Tarantula Nebula, 



    
        

            urmymuse
    Original
  • Final
    NGC 2070 Tarantula Nebula, 



    
        

            urmymuse
    B

B

Description: Adjusted colour balance so not so purple !

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NGC 2070 Tarantula Nebula, 



    
        

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