Object: NGC 5371, spěral galaxy in Canes Venatici. Telescope: Astrograph 400 f/4 Newton (APM 1.5x multiplier/corrector up to 2440mm fl). Paramount ME. Camera: Artemis CCD ART4021. Astronomik LRGB filters. Exposures: L : 155 x 10' (25:50 ) R: 36 x 10' ( 6:00 ) G: 36 x 10' ( 6:00 ) B: 36 x 10' ( 6:00 ) Resolution: 0.45"/pixel (drizzle resampled). Luminance FWHM after integration: 2.6" (2.1" after deconvolution) Guiding: Moravian G0 on Off-Axis Guider Date: March - June 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 Noise reduction: ACDNR Software: PixInSight |