Abell 7 Published in Astronomy Now Magazine April 2020
Abell 7 is an intensely faint, and thus rarely imaged, large planetary nebula in the southern constellation Lepus. It was discovered by George Abell in 1955. It is 1,800 light years from Earth. The small galaxy to the north east is PGC 16611.
TARGET Nomenclature: Abell 7, PNG 215.5-30, PK 215-30.1 Right Ascension: 05:03:07.53 Declination: -15:36:22.7 Size: 13 arc min Discovery: George Abell in 1966
EQUIPMENT USED Twin APM TMB LZOS 152 refractors 10Micron GM2000 HPS mount Twin QSI6120 CCD cameras Astrodon filters
IMAGE CAPTURE 5nm H-Alpha: 32x1800 bin 2x2, 11x1800 bin 3x3 3nm OIII: 14x1200 bin 3x3, 19x1800 bin 3x3 Red: 22x300 bin 1x1 Green: 21x300 bin 1x1 Blue: 19x300 bin 1x1 Total integration: 40.8 hours Pixel scale: 0.533 arcsec/pixel Field radius: 0.369 degrees Capture dates: 4 January - 19 February 2020 Capture location: Fregenal de la Sierra, Spain