Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  NGC 5256
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NGC 5256 (Markarian 266): a unusual double-nucleus galaxy, gigiastro
NGC 5256 (Markarian 266): a unusual double-nucleus galaxy
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NGC 5256 (Markarian 266): a unusual double-nucleus galaxy

Getting plate-solving status, please wait...
NGC 5256 (Markarian 266): a unusual double-nucleus galaxy, gigiastro
NGC 5256 (Markarian 266): a unusual double-nucleus galaxy
Powered byPixInsight

NGC 5256 (Markarian 266): a unusual double-nucleus galaxy

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Description

"(...) Markarian 266 contains two active nuclei separated by

some 10 arc seconds (...two galaxies in collision...)"

(Sky & Telescope, March, 1989 p.241-242)

00:22 UT (02:22 Daylight Saving Time)

Extreme light pollution:

darkness of observing site: Bortle's class 8 (naked-eye limiting magnitude: 4.1–4.5)

seeing 3 (Antoniadi)

Resolution: 2601x1726:

cropped central area (2601x1726) from original picture of 5202x3465 resolution

44x30s ISO 1600

10 dark

no flat

no bias

(with a 400mm focal length telephoto lens !)

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NGC 5256 (Markarian 266): a unusual double-nucleus galaxy, gigiastro