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Contains:  IC 359, The star χTau, The star φTau, The star ψTau
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Taurus Molecular Cloud (TMC), 


            Björn Hoffmann
Taurus Molecular Cloud (TMC)

Taurus Molecular Cloud (TMC)

Technical card

Resolution: 2000x1125

Dates:March 14, 2018

Frames: 100x45" ISO800 bin 2x2

Integration: 1.2 hours

Darks: ~20

Flats: ~20

Bias: ~20

Avg. Moon age: 26.63 days

Avg. Moon phase: 9.20%

Bortle Dark-Sky Scale: 4.00

Temperature: 3.00 job: 1971249

RA center: 66.836 degrees

DEC center: 27.198 degrees

Pixel scale: 16.882 arcsec/pixel

Orientation: 319.217 degrees

Field radius: 5.380 degrees


Super nasty target for a light-polluted sky. This is a longer and better exposure than an older version of mine from two years ago, but it is not nearly as good. Those dark clouds really need a special sky..



Björn Hoffmann
License: Attribution-NonCommercial-NoDerivs Creative Commons


  • Taurus Molecular Cloud (TMC), 


            Björn Hoffmann
  • Final
    Taurus Molecular Cloud (TMC), 


            Björn Hoffmann


New processing. I used a separate Luminance layer which I created from the RGB data to push the contrast.

Sky plot

Sky plot


Taurus Molecular Cloud (TMC), 


            Björn Hoffmann