| Object:
Jones-Emberson 1 (a.k.a. PK 164+31.1), planetary nebula in Lynx Telescope: Astrograph 400 f/4 Newton (APM 1.5x multiplier/corrector up to 2440mm fl). Paramount ME. Camera: Artemis ART4021. Astronomik LRGB filters. Exposures: Halpha : 91 x 15' (22:45 ) Oiii : 65 x 15' (16:15 ) R: 10 x 5' ( 0:50 ) G: 10 x 5' ( 0:50 ) B: 10 x 5' ( 0:50 ) Resolution: 0.41"/pixel (drizzle resampled). H-alpha FWHM after integration: 2.2" (1.9" after deconvolution) Guiding: Moravian G0 on Off-Axis Guider Date: March - May 2019 Site: Sagan Observatory Las Rozas (Spain) - mag 4.5 suburban skies - |
Processing: Bias, Darks & Flat calibration Drizzle integration DBE Deconvolution Histogram & Curves adjustments HDRMT LRGB combining - L(Ha) nebula color (Ha,Oiii), stars color (RGB) Noise reduction: ACDNR Software: PixInSight |