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Ring Nebula
M57
Object
Type Planetary Nebula
Constellation Lyra
Distance 2,300 ly
More Info
Image
Date 26 Jul 2007 (Summer)
Place Carlsbad, CA
Exposure Data L:Ha:OIII:OIII 20:10:10:10 mins @ -10C
Lum 10x2, Ha 10x1, SII 10x1, OIII 10x1 (bin 1x1)
Notes
Equipment
Optics Vixen VC200L Corrected Reflector
Focal Length 1800mm @f/9
Mount Astro-Physics 900GTO
Camera SBIG ST-2000XM
Focuser Robo-Focus
Filters CFW10A, Astrodon L, 6nm SII, Ha, OIII
Software Maxim DL, Photoshop

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