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NGC1491 © Ken Crawford Rancho Del Sol Observatory MPC G67
| Filter | Exposures |
|---|---|
| Clear/ Lum | 0 minutes |
| Red | 0 minutes |
| Green | 0 minutes |
| Blue | 0 minutes |
| Ha | 240 minutes |
| OIII | 240 minutes |
| SII | 240 minutes |
NGC1491 is an emission nebula about 10,700 light-years distant. The 11th magnitude star in the center seems to be energizing the region and also forming a type of blister formation. Also note the waterfall like structure at around 11:00 o.c. that also shows strongly in OIII.
RCOS 20" carbon truss - 100mm FFC
Paramount ME
Apogee Alta u9000
SBIG ST402 Guider
Astrodon MegaMoag
Astrodon 50mm Sq Filters
MaxDL 5
CCDAutopilot 5
CCDStack2
Photoshop CS5
Paramount ME
Apogee Alta u9000
SBIG ST402 Guider
Astrodon MegaMoag
Astrodon 50mm Sq Filters
MaxDL 5
CCDAutopilot 5
CCDStack2
Photoshop CS5
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This narrowband image was processed in the standard Hubble palette. 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 of this image or other images please contact Ken Crawford.