NGC 6543 The Cat's Eye Nebula
Published in Astronomy Now Magazine July 2020 and April 2021
Published in Astronomy Now Magazine July 2020 and April 2021
A very bright planetary nebula in the constellation of Draco. It is 3,300 light years from Earth.
TARGET
Nomenclature: NGC 6543, Cat's Eye Nebula, Snail Nebula, Sunflower Nebula, Caldwell 6
Right Ascension: 17:58:33.42
Declination: +66:37 59.5
Size: 30 arc sec (central shell), 5 arc min (outer halo)
Discovery: William Herschel on February 15, 1786
EQUIPMENT USED
Twin APM TMB LZOS 152 refractors
10Micron GM2000 HPS mount
Twin QSI6120 CCD cameras
Astrodon filters
IMAGE CAPTURE
5nm Ha: 75x1800 bin 1x1
3nm OIII: 52x1800 bin bin 1x1
Red: 20x300 bin 1x1
Green: 20x300 bin 1x1
Blue: 20x300 bin 1x1
Total integration: 68.5 hours
Pixel scale: 0.534 arcsec/pixel
Field radius: 0.356 degrees
Capture dates: 15 March - 23 May 2019
Capture location: Fregenal de la Sierra, Spain
5nm Ha: 75x1800 bin 1x1
3nm OIII: 52x1800 bin bin 1x1
Red: 20x300 bin 1x1
Green: 20x300 bin 1x1
Blue: 20x300 bin 1x1
Total integration: 68.5 hours
Pixel scale: 0.534 arcsec/pixel
Field radius: 0.356 degrees
Capture dates: 15 March - 23 May 2019
Capture location: Fregenal de la Sierra, Spain
IMAGE PROCESSING
Pre-processing: CCDStack2
Post-processing: Photoshop CS2
Pre-processing: CCDStack2
Post-processing: Photoshop CS2