| NGC281. The
Pacman Nebula |
| Emission
nebula in Casiopea |
| This
is a red diffuse nebula with its associated open cluster, located 2
degrees west of alpha Casiopea. It is quite bright and can be detected
with binoculars in very good sky conditions. Distance to Earth: 5500 light years. Visual magnitude: 7 |
| Date and location | December, 2023 (Processing). Caraquiz, Guadalajara. |
| Telescope | GSO RC12 X200R on ASA DDM85 mount. No autoguide |
| Camera | Moravian G3 16200. Hutech IDAS LPS and H-alfa, R, G, B Baader filters. |
| Image
processing |
H-alfa: 350x600s; L: 60x300s, RGB: 120x300s. Processed with Pixinsight |
| Date and location | September 2019. Caraquiz, Guadalajara. |
| Telescope | GSO RC12 X200R on ASA DDM85 mount. No autoguide |
| Camera | Moravian G3 16200. Hutech IDAS LPS and H-alfa, R, G, B Baader filters. |
| Image
processing |
H-alfa: 350x600s; L: 60x300s, RGB: 120x300s.Calibration, stacking an preprocessing with Pixinsight by Antonio Pérez. Final processing with Photoshop by Miguel Angel García. |
 |
| Date and location | 20-oct-2007. Caraquiz, Guadalajara |
| Telescope | 8" LX200R, F=2000mm. Autoguíde with Guidemaster, Toucam SC3 and Miniborg50 |
| Camera | Artemis11002. |
| Image
processing |
H-alfa:
12x900s; SHO: 15x300s bin 2x2.
Images stacked with AIP4WIN. Process with Pixinsight |
 |
| Date and location | 13-oct-2007. Caraquiz, Guadalajara |
| Telescope | 8" LX200R, F=2000mm. Autoguíde with Guidemaster, Toucam SC3 and Miniborg50 |
| Camera | Artemis11002. IDAS LPS Hutech filter, with IR cut |
| Image
processing |
H-alfa:
12x900s; RGB: 8x180s bin 2x2.
Images stacked with AIP4WIN. Process with Pixinsight |
 |
| Date and location | 28-ago-2006. Caraquiz, Guadalajara |
| Telescope | Megrez II 80ED, f=560mm. Focal reducer 0.7. Autoguíde with Guidemaster and Toucam SC3 and LX200R |
| Camera | Artemis285. IDAS LPS Hutech filter, with IR cut |
| Image
processing |
H-alfa:
13x600s;
LRGB: 5x180s.
Images stacked with AIP4WIN.
Histograms, HLHRGB and process with Pixinsight LE |
 |
| Date and location | 28-ago-2005. Caraquiz, Guadalajara |
| Telescope | Megrez II 80ED, f=560mm. Autoguíde with Toucam and LX200GPS |
| Camera | Artemis285. IDAS LPS Hutech filter, with IR cut |
| Image
processing |
L: 7x300s; H-alfa: 5x600s;
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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