The Horsehead and Flame Nebulae - IC434 and NGC2024
ST-10XME with Tak FSQ and Astrodon HaRGB filters
14 x 10 minutes H-Alpha; 8x5min RGB
Self guided on an AP900GTO
Flesherton, Ontario, Canada
Oct 8, 2006 for H-Alpha
Feb 14, 2007 for RGB
Ambient temp +7C; camera temp -25C; Moon one day past full for H-Alpha
Ambient temp -22C; camera temp -25C; Moon one day before New for RGB
Images captured and calibrated with darks and flats in CCDSoft v5.0
Alignment, bloom removal and sigma-reject combines in Maxim DL
Levels and selective High Pass filtering applied in Photoshop CS2
Colour combines including layering in the H-Alpha to the RGB per Steve Cannistra all in Photoshop CS2
Green noise reduction via SCNR in PixInsight LE - wow, what an amazing feature!
Click on the image to see it larger.
Click HERE to see the H-Alpha component.