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Abell 61
Published in Astronomy Now Magazine August 2019
Published in Hampshire Sky Magazine September 2019

A rarely-imaged planetary nebula in the constellation Cygnus.  It is expanding at 30 km/s.
Picture






TARGET
Nomenclature
:  Abell 61, PLN 77+14.7
Right Ascension: 19:19:10.22
Declination: +46:14:52.0
Size: 3.5 arc min
Discovery: George Abell

EQUIPMENT USED
Twin APM TMB LZOS 152 refractors
10Micron GM2000 HPS mount
Twin QSI6120 CCD cameras
Astrodon filters
IMAGE CAPTURE
5nm Ha: 21x1800 bin 3x3
3nm OIII: 34x1800 bin 3x3
Luminance: 31x600 bin 1x1
Red: 13x600 bin 1x1
Green: 13x600 bin 1x1
Blue: 15x600 bin 1x1
Total integration: 39.5 hours
Pixel scale: 0.533 arcsec/pixel
Field radius: 0.315 degrees
Capture dates: 27 May - 6 June 2019
Capture location:  Fregenal de la Sierra, Spain
IMAGE PROCESSING
Pre-processing: CCDStack2
Post-processing: Photoshop CS2
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