Celestial hemisphere:  Northern  ·  Constellation: Leo Minor (LMi)
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IC 2497 and Hanny's Voorwerp, Albert van Duin
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IC 2497 and Hanny's Voorwerp

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IC 2497 and Hanny's Voorwerp, Albert van Duin
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IC 2497 and Hanny's Voorwerp

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Description

6 x 600s each for RGB. The small green blob to the left of IC2497 is Hanny's Voorwerp, discovered in 2007 by Dutch school teacher Hanny van Arkel while scanning images of galaxies for the Galaxy Zoo project. It is is a rare type of astronomical object called a quasar ionization echo. The spectrum at top right is probably caused bij 6th magnitude SAO61648, just outside the field.

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IC 2497 and Hanny's Voorwerp, Albert van Duin

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