Home Index page Previous image Next image

Click to view the full size image: 601x482 , 55.1 KB
Ring Nebula
M57
Object
Type Planetary Nebula
Constellation Lyra
Distance 2,300 ly
Magnitude 8.8
Angular Size 1.4x1.0 arc min
Size
More Info  SEDSAPODEssay by Robert Gendler ©
Image
Date 7/26/2007
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
Focal Length 1800mm @f/9
Mount Astro-Physics 900GTO
Camera SBIG ST-2000XM (KAI-2020M)
Focuser Robo-Focus
Filters CFW10A, Astrodon L, 6nm SII, Ha, OIII
Software MaxIm DL 4, Photoshop cs3

Site and content copyright ©2008 Behyar Bakhshandeh. All rights reserved.