Celestial hemisphere:  Northern  ·  Constellation: Leo Minor (LMi)  ·  Contains:  IC 2497
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Hannys' Voorpwerp - IC 2497, Taqwa Space Observatory
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Hannys' Voorpwerp - IC 2497

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Description

You might be wondering what is a voorpwerp, as youve probably never heard of such an object? Well let me explain.
There are super rare astronomical objects like gravitational lenses and einstein rings whose physics is very well understood.
Then there are super rare astronomical objects whose nature is still exactly unkown to science.
This green object you are seeing is one of the most recent new discoveries in our universe in terms of a new class of object. A galaxy sized green cloud of ionized oxygen lurking next to the spiral galaxy IC2497. Found by a dutch teacher Hanny van Arkel in 2007 while surfing galaxy zoo, the object was named as Hannys Voorpwerp, dutch for "Hannys object". The object is at a distance of 650million light years and is at a brightness magnitude of 19.
This very weird object is theorized to be a quasars ionization echo, which originated from the galaxy next to it.
Now you might be asking what an ionization echo is?
Well prepare to be even more amazed! You might be familiar with how sound echoes in empty rooms?
Well light can also echo and produce fascinating phenomena such as this one, showing us a ghost image of events that are older than what we currently see in the nearby galaxy.
This image was taken through two telescopes pointing at this at the same time for a total of 17hours and 36minutes. Half the time was luminance using the 16 inch meade and the other half was RGB from the 8 inch Celestron.
Ive added a comparison of the Hubble space telescope image aswell. This object has also been imaged by only a handful of amateur astronomers.

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Title: Hubble comparison

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Hannys' Voorpwerp - IC 2497, Taqwa Space Observatory