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Home Up M27 M57 M97 NGC 7293
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M57


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0bject |
M57 Planetary Nebula
(Ring Nebula) in Lyra |
| Date |
May 31 & June 1, 2009 |
| Exposure |
SII Ha OIII 50:50:50
(cropped; various color combinations) |
| Camera |
STL11000M with Baader
narrow band filters |
| Telescope |
ASA 10N f/3.6 on
Losmandy G11 with Gemini |
| Guiding |
External guide head
with E-finder |
| Processing |
MaximDL, PhotoshopCS3 |
| Comments |
Test run for new Baader
filters; focus is soft |

|
0bject |
M57 Planetary Nebula
(Ring Nebula) in Lyra |
| Date |
July 30 & 31, 2006 |
| Exposure |
LRGB 100:15:15:15 (RGB
binned 2x2) |
| Camera |
ST2000XM with SBIG
filters |
| Telescope |
Meade 10" SCT @ f/10 on
Losmandy G11 w/Gemini |
| Guiding |
self-guided |
| Processing |
MaximDL, FITS
Liberator, PhotoshopCS2, AstroActions |
| Comments |
Very warm (85-90º)
and humid, moderate seeing |
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