TMB 80/480 Piggybacked on a 8" Meade LX-90 GPS with standard wedge QSI 583ws with Tele Vue TRF-2008 Focal Reducer spaced at 57mm. Baader LRGBHa Filter set. Tccd -25C.
Autoguided using LX-90 with Meade 3.3 FR and DSIIc with 1.0S update rate in MaximDL (via QSI relays and APM)
7 960S un-binned subframes in Ha, 480S un-binned R:6 G:6 B:6 dark, flat frame, bias calibration and stacking done in MaximDL. Sigma scaled and Wavelet noise filtered followed by gammalog stretch in AIP4Win 2.2. Final levels adjust and slight unsharp mask in Photoshop.
Taken in three sessions 13-01-2012, 18-02-2012, 19-02-2012
Notes: Luminance taken from previous Ha post.