In this image, we see a spectacular galactic collision as it happens. The galaxies NGC 4038 and NGC 4039 have produced spectacular streamers arcing from the cores. These long tidal streams consist of dust and gas and bear a striking resemblance to an insect’s two antennae. To us, they resemble two sprouting mung beans!

Due to the collision, the central portions of these galaxies are experiencing intense star formation. This region is rich with Ha emission (which we did not capture). The centers will merge completely in approximately 400 million years.

Imaging Notes:

Corvus is pretty low on the horizon from our latitude during May and thus offers only a few hours per night to image these galaxies.

Unfortunately, the seeing from LSA for those couple of days was poor as well.

From our backyard, Corvus is already obscured by trees making it impossible to get Hα data. We will revisit this object and add Hα to the mix next year.

Catalogue Name	NGC 4038 and NGC 4039
Constellation	Corvus
Distance (Light Years)	~45 Million Light Years (Schweizer et al.)
Photographic Information
Exposure	LRGB – Total exposure 9 Hours
Equipment	F3.8 AGO 10” Imaging Newt, QSI 683wsg, Paramount MyT, SSAG Auto-guider
Processing	Pixinsight, Adobe PS
Imaging Location	2018 – Lake San Antonio, CA

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