Medusa Abell21 -> 1,459K -> 1495K
*   *     Technical Data     *   *
Date 01-25 through 02-15-2015
Exposure 23hrs L(R+H-a)G(B+OIII), 3hrs ea RGB, 2hrs Lum, 4hrs H-a, 8hrs OIII, all Bin-2 at 1.12arc.sec/pix.
Optics 2004 RCOS 14.5" Ion, CF Truss, f:9, FL=3311mm.
Mount 2007 AP1200 GTOCP3 #714
Camera 2005 SBIG STL-11000M, -20C, Bin-1 0.56arc.sec p/pixel, Bin-2 1.12arc.sec p/pixel, AstroDon Gen-II LRGB & Gen-I 6nm H-a.
Guider As required: Internal ST-237H chip, or AstroDon MMOAG with 2006 SBIG STL-Remote ST-237H.
Equipment RCOS Field Flatener Corrector. Custom built Water Cooling and DryAir Purge Systems
Processing MaximDL/CCD FocusMax FitsPlug PhotoShop CS4 SigmaCombine AstroActions
Location StarFields Observatory (SFO), Chiefland Astronomy Village, Florida,
Comments  Experiment: Combine H-a with Red, OIII with Blue in LRGB pallet.

SFO Home