Yerkes-McDonald 16
British Astronomical Association Image Of The Week 27 July 2019
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
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
IMAGE PROCESSING
Pre-processing: CCDStack2
Post-processing: Photoshop CS2
Pre-processing: CCDStack2
Post-processing: Photoshop CS2