NGC 3681 – NGC 3684 – NGC 3686 in Leo

This group of galaxies consisting of NGC 3681, NGC 3684, NGC 3686 and NGC 3691 are a few of the lesser known galaxies situated in the east part of the constellation Leo. They are at a distance of about 50 million light years. The three larger galaxies, with diameters of less than 50,000 light years, are much smaller than our Milky Way. NGC 3691 on the lower left of the image is even smaller and has a very low surface brightness.

NGC3684_LRGBv2_crop

NGC 3681 – NGC 3684 – NGC 3686 – NGC 3691

Telescope: 16″ f3.75 Dream Scope
Camera: FLI ML16803
Mount: ASA DDM85
Exposure: 4.5 hours (30x300s L + 3x9x300s RGB)
Acquisition: March – April 2021
Location: Southern Alps, France

NGC3684_LRGBv2

Larger FOV

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s