NGC 5139-Omega Centauri (Digital)

omegacentauri.jpg (126255 bytes)
NGC 5139, Caldwell 80
Constellation: Centaurus
Type: Globular Cluster
Position: RA13h26.8m 
Magnitude: 3.7
Exposure: Taken 4-23-06 at the Texas Star Party.
4 X 180 sec. ISO 800.  56 degrees.
Processing: Raw images converted to 16bit TIFs, dark subtracted and stacked (average) in ImagesPlus. Levels and curves adjusted in Photoshop.
Equipment: Orion ED80 refractor f/7.5
Modified Canon Digital Rebel (300D)
Losmandy G-11 Gemini mount
ST-4 Autoguider
Celestron Guidescope
Notes: Omega Centauri is the brightest globular cluster in the sky.  At 17,000 light years, it is also one of the closest.  It contains several hundred thousand stars and is visible to the naked eye as a fuzzy star. Because of it's location in the sky, it is only visible only at lower latitudes.

Locator Chart

centaurusmap.gif (5696 bytes)
Chart copyright Steven Tuma and Dean Williams - Deepsky Astronomy Software

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