Antilhue - Chile

Fornax Dwarf
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Image Data

Designation Fornax Dwarf
Object type Dwarf spheroidal galaxy of the Local Group
Coordinates 02h40min  -3432'  (Fornax) 
Description This small and little conspicuous galaxy is an ellipsoidally shaped swarm of old stars, which formed about the same time as the galaxy and are similar to those in globular clusters. It is accepted that 90% of the galaxy is dark matter.  In spite of its mag 9 catalog listing, the brightest individual stars are about 19th magnitude. This, together with  its large extension, is the reason that it is so difficult to be observed.   The Fornax Dwarf has six globular clusters, the brightest of which (NGC 1049) was discovered much earlier than its parent galaxy. These globulars have been used to estimate the distance of this galaxy as 500,000 lightyears. The field of view is nearly 1 x 1.5 degrees.
Exposure L 120 min @ -15C  -  unbinned
Camera SBIG ST-10XE selfguided, no filter
Optics Astro-Physics Traveler AP105EDF (prime focus)
Mount Astro-Physics AP900GTO
Software MaxIm DL/CCD, DeBloomer, Sigma Pre Beta 11, Adobe Photoshop 6.0
Location - Date - Time San Esteban (Chile) - 14Dec2003 - 03:00 UTC
Conditions Transparency 5,  Seeing 6, Temperature +13C