Kn 61
Kn 61 is a recently-discovered small planetary nebula in the constellation Lyra that is very faint. It is estimated to be around 13,000 light years from Earth. Its highly-filamentary bubble structure is expanding at a velocity of 67.6 km/second. It is estimated to be around 16,000 years old.
TARGET
Nomenclature: Kn 61, Kronberger 61, Soccer Ball Nebula
Right Ascension: 19:21:41
Declination: +38:18:28
Size: 100 arc sec
Discovery: Matthias Kronberger in 2011
EQUIPMENT USED
Twin APM TMB LZOS 152 refractors
10Micron GM2000 HPS mount
Twin QSI6120 CCD cameras
Astrodon filters
IMAGE CAPTURE
3nm OIII: 34x1800 bin 2x2
Luminance: 19x600 bin 1x1
Red: 10x300 bin 1x1
Green: 10x300 bin 1x1
Blue: 10x300 bin 1x1
Total integration: 22.7 hours
Pixel scale: 0.533 arcsec/pixel
Field radius: 0.169 degrees
Capture dates: 11 October 2019 - 5 November 2019
Capture location: Fregenal de la Sierra, Spain
3nm OIII: 34x1800 bin 2x2
Luminance: 19x600 bin 1x1
Red: 10x300 bin 1x1
Green: 10x300 bin 1x1
Blue: 10x300 bin 1x1
Total integration: 22.7 hours
Pixel scale: 0.533 arcsec/pixel
Field radius: 0.169 degrees
Capture dates: 11 October 2019 - 5 November 2019
Capture location: Fregenal de la Sierra, Spain
IMAGE PROCESSING
Pre-processing: CCDStack2
Post-processing: Photoshop CS2
Pre-processing: CCDStack2
Post-processing: Photoshop CS2