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, 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 two sessions 13-01-2012 and 18-02-2012
Notes: Taken the very best from the two sessions. Now for the colour frames...