| M57. The Ring Nebula |
| Planetary nebula in Lyra |
| The
ring nebula is the prototype of planetary nebula. The ejected material
of the star forms a torus. The central star (Mag. 15.0) is the remnant
of a star similar to our sun that, at the end of its nuclear-burning
life ejected to the space its external layers. Distance to earth: 2,300 light years Visual Magnitude: 8.8 More information: Messier index. M57 |
|
| Date and
location |
25-jun-2005. Caraquiz,
Madrid, Spain |
| Telescopie | 8" Meade LX200GPS, f=2000mm. Equatorial. Autoguide with Toucam and guidedog |
| Camera | Artemis 285. Focal
reducer 0,7. IDAS LPR Hutech filter |
| Image
processing |
L: 8x300s. RGB: 2x300s
stacked and RGB with AIP4WIN. LRGB and
final process with Adobe Photoshop. |
| Visits since september 14th, 2004: |
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