| NGC6888. The Crescent nebula |
| Diffuse
nebula in Cygnus |
| It
is a quickly expanding gas cloud around a dying star. This star
started to eject the material of its external layers some 250,000 years
ago. Distance to earth: 2,600 light years Visual Magnitude: 6.8 |
| Date and location | January - 2023. Caraquiz, Guadalajara |
| Telescope | GSO RC12 on ASA DDM85 mount. No autoguide |
| Camera | Moravian G3 16200. H-alpha 7nm and RGB Baader filters |
| Image
processing |
H-alfa: 522x600s; RGB: 90x600s. Procesed with Pixinsight |
| Date and location | 21-sep-2013. Caraquiz, Guadalajara |
| Telescope | ASA N10 on ASA DDM85 mount. No autoguide |
| Camera | FLI ML16803. Halpha, SII, OIII Baader filters |
| Image
processing |
H-alfa: 160x600s; SO: 120x600s. Procesed with Pixinsight |
 |
| Date and location | 1-sep-2007. Caraquiz, Guadalajara |
| Telescope | LX200R 8" on Titan mount. Autoguíde with Toucam SC3 and Megrez II 80ED |
| Camera | Artemis11002. 0.78 focal reducer |
| Image
processing |
H-alfa: 16x900s;
RGB: 5x180s bin 2x2.
Images stacked with AIP4WIN. HRGB and process with Pixinsight |
 |
| Date and location | 6-ago-2005. Caraquiz, Madrid |
| Telescope | Megrez II 80ED, f=560mm. Autoguíde with Toucam and LX200GPS |
| Camera | Artemis285. IDAS LPS Hutech filter, with IR cut |
| Image
processing |
L: 6x300s; H-alfa: 6x300s;
RGB: 2x300s.
Images stacked and RGB composition with AIP4WIN.
LRGB with Adobe Photoshop. Filter with Pixinsight |
| Visits since september 14th, 2004: |
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