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IC434 Horse Head Nebula 8

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 DSIc with 5.0S update rate in MaximDL (via GPUSB & APM)

Ha:7 900S un-binned subframes, R:18 G:18 B:18 240S 2x2 binned subframes, dark, flat frame, bias calibration and stacking done in MaximDL. Ha Sigma scaled and Wavelet noise filtered followed by exponential stretch in AIP4Win 2.2. Colour plates re-sampled and K-Sigma noise filtered, regsitered and joined in AIP4WIN 2.2 using join colours tool. Final levels adjust and slight unsharp mask in Photoshop.

Taken over 3 sessions 8-01-2011, 26-02-2011 and 3-03-2011.

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  • Date/Time: 03-05-2011 1:28 PM

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