Kn 131
Kn 131 is a very rarely-imaged planetary nebula. It was originally catalogued as a dwarf galaxy but later found to be a bipolar planetary nebula.
TARGET
Nomenclature: Kn 131, Kronberger 131
Image Right Ascension: 04:50:17.70
Image Declination: +41:54:53
Discovery: Matthias Kronberger
EQUIPMENT USED
Twin APM TMB LZOS 152 refractors
10Micron GM2000 HPS mount
Twin QSI6120 CCD cameras
Astrodon filters
IMAGE CAPTURE
Ha 5nm: 53x900" bin 1x1
OIII 3nm: 41x900" bin 1x1
Red: 35x300" bin 1x1
Green: 11x300" bin 1x1
Blue: 19x300" bin 1x1
Total integration: 28 hours 55 minutes
Pixel scale: 0.533 arcsec/pixel
Field radius: 0.316 degrees
Capture dates: 25 September - 15 October 2023
Capture location: Fregenal de la Sierra, Spain
Ha 5nm: 53x900" bin 1x1
OIII 3nm: 41x900" bin 1x1
Red: 35x300" bin 1x1
Green: 11x300" bin 1x1
Blue: 19x300" bin 1x1
Total integration: 28 hours 55 minutes
Pixel scale: 0.533 arcsec/pixel
Field radius: 0.316 degrees
Capture dates: 25 September - 15 October 2023
Capture location: Fregenal de la Sierra, Spain
IMAGE PROCESSING
Pre-processing: CCDStack2
Post-processing: Pixinsight, Photoshop CS2
Pre-processing: CCDStack2
Post-processing: Pixinsight, Photoshop CS2