Antilhue - Chile

NGC 6445
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Image Data

Designation NGC 6445,  Box Nebula,  Bennett 98b
Object type Planetary nebula
Coordinates 17h 49min    - 20°01'
Constellation Sagittarius  (Sgr)

NGC 6445, a small planetary nebula, lives in a very busy part of the Milky Way in Sagittarius, just west of a mag 7.6 star.  The distance to NGC 6445 is estimated at about 4500 light years.  The brighter part of the nebula is about the size of Jupiter.

Seeing conditions were mediocre, but still alowed to bring out the large extensions.  The field is 15 x 10 arcmins with north towards the top.

Exposure LRGB 90:30:30:30 min @ -20°C, all 10 min exposures, RGB binned 2x2
Camera SBIG ST-10XE selfguided + SBIG CFW-8 with Astrodon Tru-Balance Filterset
Optics RCOS 14.5" Ritchey-Chrétien @ f/9
Mount Astro-Physics AP1200GTO
Software MaxIm DL/CCD, Sigma Pre Beta 11, CCDSharp, Adobe Photoshop CS
Location - Date - Time San Esteban (Chile) - 04Aug2007 - 02:00 UTC 
Conditions Transparency 6/10,  Seeing 5/10, Temperature + 4°C