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VdB 136 Yellow Reflection Nebula, 


            Jerry Macon
VdB 136 Yellow Reflection Nebula

VdB 136 Yellow Reflection Nebula

Technical card

Resolution: 4500x3358

Dates:Sept. 11, 2019Sept. 13, 2019

Astrodon Gen 2 L 36mm: 175x100" (gain: 99.00) -12C bin 1x1
Astrodon Gen 2 RGB 36mm: 190x100" (gain: 99.00) -16C bin 1x1

Integration: 10.1 hours

Avg. Moon age: 13.26 days

Avg. Moon phase: 96.60%

Bortle Dark-Sky Scale: 4.00 job: 3041830

RA center: 20h 38' 20"

DEC center: +42° 4' 15"

Pixel scale: 0.700 arcsec/pixel

Orientation: 177.941 degrees

Field radius: 0.546

Locations: Dark Star Observatory, Taos, New Mexico, United States

Data source: Own remote observatory

Remote source: Non-commercial independent facility


Images from the following two scopes (piggybacked) contributed to this image:
AG12+ASI1600MM at .70 asec/pix (RGB)
TV127is+ASI183MM at .75 asec/pix. (L)
They were all registered to the best R image taken on the AG12.
This image was unguided.

The original version of this was just awfull! Why didn't someone say something. Somehow I deluded myself into thinking those colors were real. Actually I had a very bad color gradient and it took multiple applications of DynamicBackgroundExtraction to correct it. Color gradients are a real risk doing RGB with a full moon.

This image shows an unusual and rarely imaged yellow reflection nebula. Light from the red giant star in the center is being reflected in our direction by particles of soot and gas behind the star, giving the diffuse yellow glow of VdB136. The area is surrounded by faint H-alpha emissions and interesting dark lanes too. This patch of sky lies about 2 degrees from the Cygnus the Swan’s brightest star, Deneb. VdB 136 is a around 2510 light years distant.



Jerry Macon
License: Attribution Creative Commons


  • VdB 136 Yellow Reflection Nebula, 


            Jerry Macon
  • Final
    VdB 136 Yellow Reflection Nebula, 


            Jerry Macon

Sky plot

Sky plot


VdB 136 Yellow Reflection Nebula, 


            Jerry Macon