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Blinking Planetary Nebula (Lucky Imaging + Long Exposure) Sep 11, 2024 326 views2640×1760628.63 kB
Blinking Planetary Nebula (Lucky Imaging + Long Exposure)

Remote observatory

DeepSkyWest
N

Cyg
19h
44m
48s
·
+50°
31′
30″
0.10°
0.23″/px
0.19°N
Integration
60×300″ | 6h 19′ 54″ | |||
11×300″ | 1h 55′ | |||
11×300″ | 1h 55′ | |||
11×300″ | 1h 55′ | |||
Totals | 12h 4′ 54″ |
60×300″=6h 19′ 54″ | |
11×300″=1h 55′ | |
11×300″=1h 55′ | |
11×300″=1h 55′ | |
Totals | 12h 4′ 54″ |
Imaging equipment
Telescope | |
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Camera | |
Mount | |
Filters | |
Software |
Guiding equipment
Guiding camera |
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Objects
Description
The Blinking Planetary Nebula, also known as NGC 6826, is a planetary nebula located in the constellation Cygnus, approximately 2,200 light-years away. This planetary nebula is only about a thousand years old and has a diameter of less than half a light-year. The central star of the nebula is a white dwarf, surrounded by a greenish sphere of gas and dust, which is material ejected into space after the outer layers of the star burned out. One of the notable features of this nebula is two red patches on either side, known as Fast Low-Ionization Emission Regions (FLIERS), where charged atoms are ejected into space at supersonic speeds.
The nebula has a very small apparent diameter of only 27"×24". The image was taken with a half-meter CDK20 telescope using lucky imaging and long exposure. The lucky imaging involved capturing 1,497 frames in the L channel (2 seconds per frame). After integration, FWHM is around 1.3". The long exposure used 30-second and 300-second exposure times. Finally, the lucky imaging and long exposures were combined using HDR processing.
The nebula has a very small apparent diameter of only 27"×24". The image was taken with a half-meter CDK20 telescope using lucky imaging and long exposure. The lucky imaging involved capturing 1,497 frames in the L channel (2 seconds per frame). After integration, FWHM is around 1.3". The long exposure used 30-second and 300-second exposure times. Finally, the lucky imaging and long exposures were combined using HDR processing.
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