NGC1499. The California Nebula |
Emission
nebula in Perseus |
This emision nebula that glows in the
H-alpha band due to the hidrogen excited by nearby
stars (mainly Xi Persei), is located in the Orion arm of our galaxy and
is 100 lightyears long. Seen from Earth covers 2.5 degrees, that is,
the width equivalent to 5 full moons. Despite its size it is very
difficult to observe it visually with the telescope. Distance to earth: 1500 lightyears Visual magnitude: 5 |
Date and location | January-february 2015. Caraquiz, Guadalajara |
Telescope | ASA N10 F=906mm on ASA DDM85 mount. No autoguide |
Camera | FLI ML16803. Hutech IDAS LPS, RGB and H-alfa Baader filters |
Proceso de imagen | Four tiles mosaic. Each tile H:210x600s, RGB: 120x300s (more than 170 acquisition hours). Calibrated, stacked and processed with Pixinsight |
Date and location | 1-oct-2005. Caraquiz, Guadalajara |
Telescope | Megrez II 80ED f=560mm Autoguide with 8" LX200GPS, Toucam SC and guidedog |
Camera | Artemis 285. Focalreducer 0,69. H-alfa filter |
Proceso de imagen | H:3x300s stacked with AIP4WIN. Final process with Adobe Photoshop |
Date and location | 1-oct-2005. Caraquiz, Guadalajara |
Telescope | Megrez II 80ED f=560mm Autoguide with 8" LX200GPS, Toucam SC and guidedog |
Camera | Artemis 285. Focalreducer 0,69. H-alfa filter |
Proceso de imagen | H:3x300s stacked with AIP4WIN. Histogram, syinthetic colour generation and noise reduction with PixInsight. Mixing of colour and luminance (H-alpha) with Adobe Photoshop |
Visits since september 14th, 2004: |