Kronberger 50
Hampshire Astronomical Group Picture of the Month, March 2020
Published in Astronomy Now Magazine April 2020
Hampshire Astronomical Group Picture of the Month, March 2020
Published in Astronomy Now Magazine April 2020
Kronberger 50 is a circular filamentary planetary nebula in the constellation Cepheus. This is by far the faintest target I have ever imaged. I can find no other images of it online, so I believe that this is the first time that it has been imaged in colour.
TARGET
Nomenclature: Kn 50, Kronberger 50
Right Ascension: 23:54:11.3
Declination: -+74:55:34
Size: 3 arc min
Discovery: Matthias Kronberger in October 2007
EQUIPMENT USED
Twin APM TMB LZOS 152 refractors
10Micron GM2000 HPS mount
Twin QSI6120 CCD cameras
Astrodon filters
Nomenclature: Kn 50, Kronberger 50
Right Ascension: 23:54:11.3
Declination: -+74:55:34
Size: 3 arc min
Discovery: Matthias Kronberger in October 2007
EQUIPMENT USED
Twin APM TMB LZOS 152 refractors
10Micron GM2000 HPS mount
Twin QSI6120 CCD cameras
Astrodon filters
IMAGE CAPTURE
5nm H-Alpha: 52x1800 bin 3x3
3nm OIII: 32x1800 bin 4x4
Red: 22x300 bin 1x1
Green: 22x300 bin 1x1
Blue: 20x300 bin 1x1
Total integration: 47.3 hours
Pixel scale: 0.533 arcsec/pixel
Field radius: 0.369 degrees
Capture dates: 29 December 2019 - 21 February 2020
Capture location: Fregenal de la Sierra, Spain
5nm H-Alpha: 52x1800 bin 3x3
3nm OIII: 32x1800 bin 4x4
Red: 22x300 bin 1x1
Green: 22x300 bin 1x1
Blue: 20x300 bin 1x1
Total integration: 47.3 hours
Pixel scale: 0.533 arcsec/pixel
Field radius: 0.369 degrees
Capture dates: 29 December 2019 - 21 February 2020
Capture location: Fregenal de la Sierra, Spain
IMAGE PROCESSING
Pre-processing: CCDStack2
Post-processing: Photoshop CS2
Pre-processing: CCDStack2
Post-processing: Photoshop CS2
Ha image
OIII image