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Cat's Eye Nebula - NGC6543 - HaOIIIRGB
In 3 groups

Backyard
Nürnberg, Nürnberg (Bayern), DE
N

Dra
17h
58m
33s
·
+66°
37′
55″
0.56°
1.10″/px
-87.25°N
Integration
8h 30′ | ||||
9h 10′ | ||||
12×300″ | 1h | |||
12×300″ | 1h | |||
12×300″ | 1h | |||
Totals | 20h 40′ |
12×300″=1h | |
12×300″=1h | |
12×300″=1h | |
Totals | 20h 40′ |
Imaging equipment
Telescope | |
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Camera | |
Mount | |
Filters | |
Accessory | |
Focus reducer | |
Software | |
Software |
Guiding equipment
Guiding optics | |
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Guiding camera |
Objects
Description
The outer area of NGC6543 is very faint and the core extremely bright.
It was my longest exposure so far, and the conditions were very different.
The image processing was a challenge.
Maybe I will add some exposure time .
Object description (wikipedia.org):
The Cat's Eye Nebula or NGC 6543, is a relatively bright planetary nebula in the northern constellation of Draco, discovered by William Herschel on February 15, 1786. It was the first planetary nebula whose spectrum was investigated by the English amateur astronomer William Huggins, demonstrating that planetary nebulae were gaseous and not stellar in nature. Structurally, the object has had high-resolution images by the Hubble Space Telescope revealing knots, jets, bubbles and complex arcs, being illuminated by the central hot planetary nebula nucleus (PNN). It is a well-studied object that has been observed from radio to X-ray wavelengths.
It was my longest exposure so far, and the conditions were very different.
The image processing was a challenge.
Maybe I will add some exposure time .
Object description (wikipedia.org):
The Cat's Eye Nebula or NGC 6543, is a relatively bright planetary nebula in the northern constellation of Draco, discovered by William Herschel on February 15, 1786. It was the first planetary nebula whose spectrum was investigated by the English amateur astronomer William Huggins, demonstrating that planetary nebulae were gaseous and not stellar in nature. Structurally, the object has had high-resolution images by the Hubble Space Telescope revealing knots, jets, bubbles and complex arcs, being illuminated by the central hot planetary nebula nucleus (PNN). It is a well-studied object that has been observed from radio to X-ray wavelengths.
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