Whale (NGC 4631) and Hockeystick (NGC 4656/7) galaxies

NGC 4631 is a big beautiful spiral galaxy seen edge-on (bottom left) only 25 million light-years away towards the small northern constellation Canes Venatici. This galaxy’s slightly distorted wedge shape suggests to some a cosmic herring and to others the popular moniker of The Whale Galaxy. Either way, it is similar in size to our own Milky Way. In this color image, the Whale’s dark interstellar dust clouds, yellowish core, and young blue star clusters are easy to spot. A companion galaxy, the small elliptical NGC 4627, appears below the Whale Galaxy. At the upper right is another distorted galaxy, the hockey stick-shaped NGC 4656. The distortions and mingling trails of gas detected at other wavelengths suggest that all three galaxies have had close encounters with each other in their past. The Whale Galaxy is also known to have spouted a halo of hot gas glowing in x-rays.

Text source: apod

Telescope: TEC-140

Camera: QSI583ws

43 x 600s Luminance (Astrodon)
3 x (9 x 600s) R,G,B (Astrodon)

Total exposure: 11,5 hours

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