| Object:
Ngc 1579, the Northern Trifid Nebula. Emission & reflection
nebula in Perseus. Telescope: Astrograph 250 f/4 Newton . Paramount ME. Atik 16200 ccd. Filters: Chroma LRGB. Exposures: L : 317 x 5' (26:25 ) R: 72 x 5' ( 6:00 ) G: 72 x 5' ( 6:00 ) B: 72 x 5' ( 6:00 ) Total: 44:25 hours Resolution: 1.05"/pixel. Luminance FWHM after integration: 2.9" Date: October 2021 - January 2022 Site: La Sagra Observatory Puebla de Don Fadrique (Spain) - mag 7 professional observatory skies - |
Processing: Bias, Dark & Flat calibration Photometric Color calibration MLT linear noise reduction Histogram stretching Starnet for star masks Color saturation adjustments ACDNR noise reduction MorphologicalTransformation stars reduction Wavelet sharpening Software: PixInSight |