Celestial hemisphere:  Northern  ·  Constellation: Leo Minor (LMi)
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Quadruple Quasar J1004+4112 in Leo Minor, Albert van Duin
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Quadruple Quasar J1004+4112 in Leo Minor

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Description

A night with a lot of thin clouds, and also a lot of problems concerning guide stars, but still the main goal was achieved, imaging the quadruple Quasar J1004+4112 in Leo Minor. This Quasar was discovered in 2003. Actually it's four images of the same Quasar because of lensing by a foreground galaxy, which is even faintly visible below component "D". Distance is about 9 Billion Light Years.

Another Quasar is visible, QSO J100441.0+410944, distance is about 7 Billion Light years.

The image above is a 100% crop with annotation. Version B shows boxes arond the two Quasars in the full field, and the original is the untouched full field.

> Click here to see a Timelapse of the telescope at work imaging the quasars <

24 Luminance frames of 600s each were used, but I will do this again some day and try to get NGC3104 a bit higher up in the field.

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  • Quadruple Quasar J1004+4112 in Leo Minor, Albert van Duin
    Original
  • Quadruple Quasar J1004+4112 in Leo Minor, Albert van Duin
    B
  • Final
    Quadruple Quasar J1004+4112 in Leo Minor, Albert van Duin
    C

B

Description: Quasars marked on the full view

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C

Description: Annotated 100% size

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Quadruple Quasar J1004+4112 in Leo Minor, Albert van Duin