| Object: Ic
2118, the Witch Head Nebula. Reflection & ¿supernova remnant?
nebula in Eridanus. Telescope: Samyang 135 @ f/2.7. Paramount ME. Artemis 4021 ccd. Filters: Baader LRGB. Exposures: L : 130 x 5' (10:50 ) R: 21 x 5' ( 1:45 ) G: 21 x 5' ( 1:45 ) B: 21 x 5' ( 1:45 ) Total: 16:05 hours Resolution: 5.65"/pixel (2x drizzle from original 11.3"/px). Date: January - February 2022 Site: La Sagra Observatory Puebla de Don Fadrique (Spain) - mag 7 professional observatory skies - |
Processing: Bias, Dark & Flat calibration 2x Drizzle Integration Photometric Color calibration MLT linear noise reduction Histogram stretching Starnet for star masks Color saturation adjustments MorphologicalTransformation stars reduction Software: PixInSight |