Arp 120
Published in the July issue of Astronomy Now Magazine
Published in the July issue of Astronomy Now Magazine
Arp 120 - The Eyes Galaxies - a pair of galaxies known as NGC 4435 and NGC 4438 about 52 million light-years away in the constellation of Virgo. They were discovered on 8 April 1784 by William Herschel. In the 2014 film Interstellar, NGC 4438 can be seen in Murphy Cooper's notepad during the film's climactic sequence.
TARGET
Nomenclature: Arp 120, The Eyes Galaxies, Markarian's Eyes, NGC 4435, NGC 4438
Right Ascension: 12:27:44.0
Declination: +13:02:44.00
Discovery: William Herschel on 8 April, 1784
EQUIPMENT USED
APM TMB LZOS 152 refractor
10Micron GM2000 HPS mount
QSI6120 CCD camera
Astrodon filters
IMAGE CAPTURE
Luminance: 81x300 bin 1x1
Red: 10x300 bin 1x1
Green: 11x300 bin 1x1
Blue: 11x300 bin 1x1
Total integration: 9.4 hours
Pixel scale: 0.265 arcsec/pixel
Field radius: 0.188 degrees
Capture dates: 12-16 May 2021
Capture location: Fregenal de la Sierra, Spain
Luminance: 81x300 bin 1x1
Red: 10x300 bin 1x1
Green: 11x300 bin 1x1
Blue: 11x300 bin 1x1
Total integration: 9.4 hours
Pixel scale: 0.265 arcsec/pixel
Field radius: 0.188 degrees
Capture dates: 12-16 May 2021
Capture location: Fregenal de la Sierra, Spain
IMAGE PROCESSING
Pre-processing: CCDStack2
Post-processing: Photoshop CS2
Pre-processing: CCDStack2
Post-processing: Photoshop CS2