Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  M 108  ·  NGC 3556
M108, Frank Colosimo
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M108

M108, Frank Colosimo
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M108

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Description

Messier 108 (M108, NGC 3556) is an edge-on spiral galaxy in Ursa Major situated near the bright star Beta Ursa Majoris and close to the Owl Nebula, M97, only 48' away. It has a visual magnitude 10. It is about 45 million light years away and is a member of the Ursa Major group, a rather loose collection of galaxies.

The nearly edge-on galaxy appears to have no bulge and no pronounced core at all. The dust lane, H2 regions, and star clusters provide a jumbled and chaotic appearance, but show a lot of resolved detail.

Date: Mar 13 2008 Reprocessed Dec 2018

Location: New Ringgold PA

Optics: Meade LX200R 12 inch at f/10

Mount: Paramount ME

Camera: SBIG ST-8XME / CFW-8

Guiding: ST-8XME integral guiding chip controlled by Maxim CCD

Exposure: LRGB: Luminance: 13x10 minutes unbinned; RGB: 8 each binned 2x2 - 8 min for R,G, and 9 min for B. 5.5 hours total, 37 subs at avg of 535 seconds.

Processing: Image acquisition using CCD Autopilot. Initial processing was done using Maxim DL with subsequent processing with Photoshop.

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M108, Frank Colosimo

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