| Object:
Ngc4038 & ngc4039, the Antennae Galaxies. Interacting galaxies in Corvus. Telescope: Astrograph 250 f/4 Newton . Paramount ME. Atik 16200 ccd. Filters: Chroma LRGB. Exposures: L : 80 x 15' (20:00 ) R: 14 x 10' ( 2:20 ) G: 14 x 10' ( 2:20 ) B: 14 x 10' ( 2:20 ) Total: 27:00 hours Resolution: 1.05"/pixel. Luminance FWHM after integration: 2.9" Date: May 2021 - April 2023 Site: La Sagra Observatory Puebla de Don Fadrique (Spain) - mag 7 professional observatory skies - |
Processing: Bias, Dark & Flat calibration DBE SpectroPhotometric Color Calibration MLT linear noise reduction BlurXTerminator Histogram stretching Starnetv2 for star masks Color saturation adjustments ACDNR noise reduction Software: PixInSight |