Subject: M101 in Ursa Major
Exposure: LRGB composite = 60:24:24:24
Processing: CCDSoft 5.0, Adobe Photoshop CS & PixInsight LE 1.0.1.143
Telescope: Astro-Physics Traveler - 105mm f/6 EDF refractor @ f/6
Mount: Astro-Physics 400GTO
Guiding: SBIG ST-237 via MaxIm DL 4.0
Camera: SBIG ST-8XME
Filters: SBIG LRGB
Location: Palen-McCoy Wilderness near Desert Center, California
Date: April 1, 2005
Weather conditions: Air Temperature: 58F, Relative Humidity: 19%, Wind: Calm
Comments: This is a joint image between Jim Janusz and myself taken with Jim's new ST-8XME camera. It is also my first attempt at processing an LRGB CCD image. Thanks to Jim for the quick image processing lesson! :-)
Additional comments: Thanks to Sean Walker for the High Pass filtering technique!
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© Chris Cook 2005