AMATEUR ASTRONOMY  home                                                                       
Jones-Emberson 1
(click on the image for the highest resolution)

            


 
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 10'    (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
Noise reduction: ACDNR

Software:
PixInSight