Kn 19
Featured in the BBC The Sky At Night gallery for July 2021 www.bbc.co.uk/programmes/p09r41ck/p09r40qb
This is the first ever colour image taken of Kronberger 19, a small (74 arc seconds) very faint planetary nebula in Vulpecula.
TARGET
Nomenclature: Kronberger 19, Kn 19
Right Ascension: 20:29:20.6
Declination:  25:32:39.84
Size: 74.0 arc sec
Discovery: Matthias Kronberger
EQUIPMENT USED
Twin APM TMB LZOS 152 refractors
10Micron GM2000 HPS mount
Twin QSI6120 CCD cameras
Astrodon filters
IMAGE CAPTURE
Blue: 9x300"
Green: 9x300"
Lum: 26x300"
Red: 9x300"
OIII: 50x900" bin 1x1
Ha: 34x900" bin 1x1
Total Integration: 25 hours 20 minutes
Pixel scale: 0.267 arcsec/pixel
Field radius: 0.073 degrees
Capture dates: 8-14 July 2021
Capture location:  Fregenal de la Sierra, Spain

IMAGE PROCESSING
Pre-processing: CCDStack2
Post-processing: Photoshop CS2
OIII image
Ha image