AMATEUR ASTRONOMY  home                                                                       
Messier 1 supernova remnant

(click on the image for 4K resolution)

            


 
Object:             Messier 1,  supernova remnant in Taurus.
Telescopes:     H-alpha, OIII:   
Astrograph 400 f/4 Newton.  Paramount ME.  ASI 6200.  Chroma Ha 5nm & OIII 3nm filters.
                         Color:             Astrograph  250 f/4 Newton
.  Paramount ME.  ATIK 16200.  Chroma RGB filters.
Exposures:        H-a:  40 x 20'   ( 13:20 )
                                          
Oiii:   48 x 20'   ( 16:00 )
                          R:     40 x 10'   (   6:40 ) 
                          G:     40 x 10'   (   6:40 )  
                          B:     40 x 10'    (  6:40 )
                                  TOTAL:   49:20 hours
Resolution:       0.42"/pixel.     FWHM after integration:  Ha 1.9"
Date:                January - March 2021
Sites:               
H-alpha, OIII:  Sagan Observatory      Las Rozas  (Spain)     - mag 4.5 suburban skies -
                        Color:             La Sagra Observatory  Puebla de Don Fadrique (Spain)    - mag 7 professional observatory skies -
Processing:
Bias, Darks & Flat calibration
DBE
Photometric Color Calibration
Histogram & Curves adjustments
ArcSinhStretch
Starnet for star masks
Noise reduction: ACDNR

Software:
PixInSight