Rosette Nebula (NGC 2237)

Rosette Nebula (NGC 2237)

 

L(R:G:B) = Ha(R:G:B) = 40m(26m:26m:26m) = 1x1(2x2:2x2:2x2)

L subs = 300s each. RGB subs = 260s each

 

telescope:

Lightbuckets LB-0002

AstroSysteme Austria Newtonian Astrograph

Model N8

Aperture 200mm

Focal Length 720mm

f/3.6

 

camera:

Apogee Alta U8300

Resolution: 3326 x 2504

 

stacked with DeepSkyStacker

 

processing with Pixinsight Standard 1.5:

L = histogram stretch, masked stretch, curves, dark structure enhancement, atrous wavelets

RGB = histogram stretch, masked stretch, curves

LRGB merge with noise reduction (L=0.6, R=0.95, G=0.85, B=0.84)

 

touchup in Lightroom 2.0: contrast, clarity, adjust black point

 

Done