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Contains:  The star 5Vul, The star 4Vul
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Cr 399, The Coathanger asterism, 


            José J. Chambó
Cr 399, The Coathanger asterism

Cr 399, The Coathanger asterism

Technical card

Imaging telescope or lens:GSO Newton 8" f/4

Imaging camera:Canon EOS 100D

Resolution: 1200x800

Dates:July 10, 2016

Frames: 16x240"

Integration: 1.1 hours

Avg. Moon age: 6.00 days

Avg. Moon phase: 35.54% job: 1182414

RA center: 291.546 degrees

DEC center: 20.083 degrees

Pixel scale: 5.257 arcsec/pixel

Orientation: 1.502 degrees

Field radius: 1.053 degrees

Locations: Hoya Redonda - Valencia (Spain), Enguera, Valencia, Spain


"The Coathanger" or Collinder 399 (Cr 399) is an asterism: a grouping of stars that can be see from Earth showing a peculiar alignment which in this case seems the shape of a coathanger. The straight line formed by six stars is the support and four stars in its south side forms the hook.

Was first described by the Persian astronomer Abd Al-Rahman Al Sufi in his "Book of Fixed Stars" written on year 964. Immersed into the Milky Way is located between constellations Vulpecula and Sagitta. Its ten stars have a brightness from 5 to 7 magnitude. Under a dark sky can be seen at naked eye as an unresolved patch of light, but using only a binoculars appears immediately the Coathanger.

Posted in my Blog 



José J. Chambó
License: None (All rights reserved)

Sky plot

Sky plot


Cr 399, The Coathanger asterism, 


            José J. Chambó