NGC 5257 & NGC 5258

Arp 240 is a pair of interacting spiral galaxy located in the constellation Virgo. The two galaxies are listed together as Arp 240 in the Atlas of Peculiar Galaxies. The galaxy on the down is known as NGC 5257, while the galaxy on the up is known as NGC 5258. Both galaxies are distorted by the gravitational interaction, and both are connected by a tidal bridge, as can be seen in images of these galaxies.

L = 20 * 1800 sec. bin1, RGB = 12 * 1000(1100)(1200) sec. bin2

Total - 21.0 hours.

Pixinsight 1.8 and Photoshop.

april 2019, february 2020

NGC 5257 & NGC 5258