In Natural colors In HST-palette - This is a detail from the Nebula IC 1396, a beautiful, sculpture like, gas formation. HERE is a wider field of view to same object. - Technical details: Two color chemes, HST Palette as S-II=Red, H-a=Green and O-III=Blue. Second image is in natural colors composed from narrowband data. Channels are balanced so, that image match to visible spectrum, H-a + 24%S-II=Red, O-III=Green and O-III + 15%H-alpha=Blue. Processing work flow: Image acquisition, MaxiDL v5.07. Stacked and calibrated in CCDStack. Deconvolution with a CCDSharp, 30 iterations. Levels, curves and color combine in PS CS3. Telescope, Meade LX200 GPS 12" @ f4.65 Camera, QHY9 Guiding, SXV-AO @ 11Hz Image Scale, 0,8 arcseconds/pixel Exposures: H-alpha 17x1200s Binned 1x1 O-III 4x600s, binned 3x3 S-II 6x600s, binned 3x3
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