Yerkes-McDonald 16 British Astronomical Association Image Of The Week 27 July 2019
Yerkes-McDonald 16 is a rarely-imaged extremely faint planetary nebula in the constellation of Serpens Cauda. It is named after the two observatories that surveyed the sky in 1953/54.
TARGET Nomenclature: YM 16, Yerkes-McDonald 16, RCW 181, PN G038.7+01.9 Right Ascension: 18:54:57.30 Declination: +06:02:31.10 Size: 6 arc min Discovery: Hugh Johnson at Yerkes and McDonald Observatories in 1955
EQUIPMENT USED Twin APM TMB LZOS 152 refractors 10Micron GM2000 HPS mount Twin QSI6120 CCD cameras Astrodon filters
IMAGE CAPTURE 5nm Ha: 21x1800 bin 2x2 Luminance: 22x600 bin 1x1 Red: 20x600 bin 1x1 Green: 20x600 bin 1x1 Blue: 20x600 bin 1x1 Total integration: 24.2 hours Pixel scale: 0.533 arcsec/pixel Field radius: 0.356 degrees Capture dates: 15 June - 4 August 2019 Capture location: Fregenal de la Sierra, Spain