Arp 269 (Gary Imm)

Arp 269

This object is a pair of small wonderfully distorted interacting galaxies located 25 million light years away in the constellation of Canes Venatici at a declination of +42 degrees. The larger galaxy (50,000 ly diameter) is NGC 4490, while the smaller galaxy (20,000 ly diameter) is NGC 4485. The larger galaxy spans about 6 arc-minutes in our apparent view. The galaxies are about 25,000 light years apart.

Both galaxies lie within ghostly diffuse star clouds which shroud the odd disk structures. It is hard for me to imagine what the original undisturbed galaxies looked like. Scientists believe that the galaxies have already had their closest approach and are now speeding away from each other.

I find these interacting galaxies to be an amazing sight. I really like how the colors play out against each other in the image:

- The white color of the larger galaxy core, and also in the star halos of the faint outermost reaches of both galaxies.

- The blue color of the numerous star clouds seen throughout both galaxies, which creates an eerie blue glow enveloping both distorted disk structures.

- The purple color of the many star forming regions, triggered by the intergalactic disturbance. The star formation areas are primarily located on the galaxy sides which face each other, in closest proximity.

- The brown color in the delicate dark dust lanes which wind subtly throughout each galaxy.

Some tiny distant galaxies are visible in the background.

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Status	Advanced failed
Started	...
Astrometry.net job	9658285
PixInsight job	Z72SVEO5V3KK09LORJKLB8MIJ1MB3SLX
PixInsight queue size	n/a
PixInsight stage	PLATE_SOLVING_IMAGE

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Arp 269

Arp 269

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