Arp 227 BBC The Sky At Night Image Gallery October 2019 Hampshire Astronomical Group Picture Of The Month October 2019
An unusual group of galaxies in the constellation Pisces. The largest galaxy is NGC 474. It is 100 million light years from Earth and about 250,000 light years across. It's complex shell structure is believed to be the result of gravitational interaction between galaxies.
TARGET Nomenclature: Arp 227, NGC 454 Right Ascension: 01:19:37 Declination: +03:20:13
EQUIPMENT USED Twin APM TMB LZOS 152 refractors 10Micron GM2000 HPS mount Twin QSI6120 CCD cameras Astrodon filters
IMAGE CAPTURE Luminance: 54x1800 bin 1x1 Red: 54x300 bin 2x2 Green: 64x300 bin 2x2 Blue: 63x300 bin 2x2 Total integration: 42.1 hours Pixel scale: 0.534 arcsec/pixel Field radius: 0.364 degrees Capture dates: 8 August - 27 September 2019 Capture location: Fregenal de la Sierra, Spain