Spirals of the Rosette Nebula

Rancho Del Sol Observatory · Camino, California

Spirals of the Rosette Nebula by Ken Crawford

Drag to pan · scroll wheel or double-click to zoom · use the full-screen button for the best view Drag to pan · pinch or double-tap to zoom · tap the full-screen button for the best view

Image Equipment Details

  • RCOS 20" carbon truss - 100mm FFC
  • Paramount ME
  • Apogee Alta u16803
  • SBIG ST402 Guider
  • Astrodon MegaMoag
  • Astrodon 50mm Sq Filters

Exposure Details

  • Clear/ Lum = 0 minutes
  • Red = 0 minutes
  • Green = 0 minutes
  • Blue = 0 minutes
  • Ha = 240 minutes
  • OIII = 240 minutes
  • SII = 240 minutes

Software Used

  • MaxDL 5
  • CCDAutopilot 5
  • CCDStack2
  • Photoshop CS5

About this image


The Rosette nebula (Cadwell 49) is a large circular emission nebula in the Monoceros region. It is around 5,000 light years away and is powered by hot O and B stars. This interesting spiral feature is twisted by powerful stellar winds.

Spirals of the Rosette Nebula detail

This deep image was produced with Ha-SII-OIII in the Hubble color palette. The image on the left shows the Hydrogen component only.

Other nebulae images you may like

NGC3576NGC3576IC1396 Elephants TrunkIC1396 Elephants TrunkNGC225 VdB4NGC225 VdB4

These images may be used for personal or educational use without contacting me. But, these images and this website are Copyright © Ken Crawford. If you are a publisher and would like a full resolution link to this or other images please contact Ken Crawford.