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Celestaire Astra III Professional Sextant

  • Whole Mirror
  • Frame Material: Bronze Arc Fused to an Aluminum Frame
  • Destined to Be the Standard for Professional Seamen
  • Item #: 
    800591PROWHM
    Brand: 
    Celestaire
    Model #: 

    0501P

    Packaged Weight: 
    9.45 Lbs.
    List Price: 
    $975.00
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    $975.00
    800591PROWHM Celestaire Celestaire Astra III Professional Sextant 0501P

    Just as the Astra IIIB has become world famous as the premier low cost metal sextant, the Astra III Professional Model, with its low cost, high accuracy and excellent handling qualities, is destined to be the standard for professional seamen.

    Its construction is similar to the Tamaya sextants in that it has a bronze arc fused to an aluminum frame. The bronze arc can be manufactured to a higher tolerance than aluminum, which gives the sextant higher accuracy. At the same time the aluminum frame keeps the over-all weight low enough that fatigue is not a problem as with a solid bronze or brass sextant. Nevertheless, the additional weight of the bronze arc adds about 8 oz. and gives the instrument an excellent balance and 'heft'.

    Features:

    • Ability to quickly and economically change the type of horizon mirror
    • Handle an electrical outlet suitable for powering accessories
    • LED lighting of the arc and drum (powered by 2 AA batteries - not included)
    • Wooden case
    • 3.5 x 40 telescope
    • Instruction book included
    • Adjusting wrench included
    • Certificate of accuracy
    Specifications:

    Arc -5° + 130° - radius 6" (153mm)
    Accuracy ± 15° throughout the arc
    Micrometer Drum 1' scale - vernier to 0.2'
    Mirror Configuration Whole or Split (Traditional)
    Horizon Mirror 2" (51mm) diameter
    Index Mirrors 2.2" x 1.65" (56mm x 42mm)
    Shades 4 index - 3 horizon
    Weight 3 lbs, 2 oz
    Case Dimensions 6.5" x 13" x 11"
    Celestaire Astra III Professional Sextant
    969.99
     
    Note:  This item ships from the supplier.
    It typically ships within 2 business days  (more...)
    Status:   null Ships Direct

     
    Shipping is delayed due to the high number of orders during the warehouse sale.

     


    Just as the Astra IIIB has become world famous as the premier low cost metal sextant, the Astra III Professional Model, with its low cost, high accuracy and excellent handling qualities, is destined to be the standard for professional seamen.

    Its construction is similar to the Tamaya sextants in that it has a bronze arc fused to an aluminum frame. The bronze arc can be manufactured to a higher tolerance than aluminum, which gives the sextant higher accuracy. At the same time the aluminum frame keeps the over-all weight low enough that fatigue is not a problem as with a solid bronze or brass sextant. Nevertheless, the additional weight of the bronze arc adds about 8 oz. and gives the instrument an excellent balance and 'heft'.

    Features:

    • Ability to quickly and economically change the type of horizon mirror
    • Handle an electrical outlet suitable for powering accessories
    • LED lighting of the arc and drum (powered by 2 AA batteries - not included)
    • Wooden case
    • 3.5 x 40 telescope
    • Instruction book included
    • Adjusting wrench included
    • Certificate of accuracy
    Specifications:

    Arc -5° + 130° - radius 6" (153mm)
    Accuracy ± 15° throughout the arc
    Micrometer Drum 1' scale - vernier to 0.2'
    Mirror Configuration Whole or Split (Traditional)
    Horizon Mirror 2" (51mm) diameter
    Index Mirrors 2.2" x 1.65" (56mm x 42mm)
    Shades 4 index - 3 horizon
    Weight 3 lbs, 2 oz
    Case Dimensions 6.5" x 13" x 11"

     
     

     
     

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