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Ring Nebula – M57



 

Mouseover:  2005 Version   2005 Crop   2004 Version  

Ring Nebula. Click image for full size version.

 


Common Name Ring Nebula
Formal Name M 57
Date 4/18/2005
Constellation Lyra
Location Ionia, NY
Equipment Meade 12 Classic, SBig 2000XM Camera/Filter Wheel, Astrodon Filters
Temperature −25°C
Exposures
# Exp (sec) Filter Bin Net Time (hr)
5 300 Blue 1x1
5 300 Red 1x1
5 300 Green 1x1
6 300 Lum
Total 1.75 hrs
Processing Calibrated, Aligned in CCDSoft
Stacked in Images Plus (adaptive addition)
Adjusted Levels and Curves in Photoshop
Smart Sharpen in Photoshop (50%, 0.7 radius)
Notes

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2004 Version

Common Name Ring Nebula
Formal Name M 57
Date 4/15/2004
Constellation Lyra
Location Ionia, NY
Equipment Nexstar 11GPS, SBig 2000XM Camera/Filter Wheel
Temperature −25°C
Exposures
# Exp (sec) Filter Bin Net Time (hr)
14 70 Blue 2x2
8 60 Green 2x2
10 150 Red 2x2
11
1		 120
900		 Lum 2x2
Total 1.4 hrs
Processing Calibrated, Aligned, Averaged in CCDSoft
Adjusted Levels, Curves in Photoshop
Notes

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