M101 -> 1403K
*   *     Technical Data     *   *
Date 07-02-2012
Exposure 12hrs total, 3hrs ea. LRGB, Bin-2.
Optics 2004 RCOS 14.5" Ion, CF Truss, f:9, FL=3319mm.
Mount 2007 AP1200 GTOCP3 #714
Camera 2005 SBIG STL-11000M, 0.56 arc.sec p/pixel, -20C, AstroDon LRGBH-a.
Guider As required: Internal ST-237H chip, or AstroDon MMOAG with 2006 SBIG STL-Remote, w/visual Red filter, or TAK FS-78, FL=632mm f:8, 2.41arc.sec p/pixel and STL-Remote.
Equipment RCOS Field Flatener Corrector. Custom built Water Cooling and DryAir Purge Systems
Processing MaximDL/CCD w/Russ Croman's Sigma Combine Plug-In, Photoshop CS4,  FITSplug by Eddie Trimarchi, AstroActions by Noel Carboni
Location StarFields Observatory (SFO), Chiefland Astronomy Village, Florida,
Comments Re-imaged Red and Green channels in better conditions before T.S. Debbie rolled in. Resolution was Greatly improved.
See a Crop of 3hrs of Bin-2 Green channel below. SN 2011fe still visable indicated
    At Bin-1, 9micron pixels are 0.56arc.sec p/pixel. M101 was imaged at Bin-2 for 1.12arc.sec.pix.
    MaximDL measures a 12th mag star at FWHM 1.800acr.sec p/pix.


SFO Home