Object Information

Name: Leo1
Type: Dwarf Spheroidal Galaxy
Constellation: Leo
Notes: Discovered in 1950 at Palomar Observatory. Distance of 820,000 light-years
Notes: Click here for a crop of Leo 1
Notes: Image was selected as NASA's Astronomy Picture of the Day (APOD) for January 10, 2012

Exposure data

Exposure: LRGB = 240:100:100:100 minutes
Processing: MaxIm DL & Adobe Photoshop CS3
Telescope: Astro-Physics 130mm f6.3 Starfire EDF GT @ f5.2
Mount: Losmandy G11
Guiding: SBIG ST-4 via a Mini-Borg 60 refractor
Camera: SBIG ST-8300M w/FW5-8300 filter wheel
Camera Temp: -20C
Filters: Astrodon Tru-Balance Gen 2 LRGB
Location: Cape Cod Imaging Station - Harwich, Massachusetts
Date: March 1 & 3, 2011

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© Chris Cook 2011