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Contains:  NGC 5205, NGC 5216, NGC 5218, NGC5205, NGC5216, NGC5218, PGC214115, PGC2638029, PGC2639287, PGC2640520, PGC2641182, PGC2644240, PGC47347
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Arp 104 - Keenan's System, 


            Peter Goodhew
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Arp 104 - Keenan's System

Imaging telescopes or lenses: APM Telescopes TMB - LZOS Apo refractor 152/1200

Imaging cameras: QSI 6120wsg-8

Mounts: 10Micron GM2000HPS II

Guiding cameras: Starlight Xpress Lodestar Autoguider X2

Filters: Astrodon Lum  ·  Astrodon Blue  ·  Green  ·  Red  ·  Astrodon SII 5nm  ·  Astrodon OIII 3 nm  ·  Astrodon 5nm H-Alpha filter

Astrodon Blue: 16x300" bin 1x1
Green: 17x300" bin 1x1
Astrodon Lum: 81x600" bin 1x1
Red: 18x300" bin 1x1

Integration: 17.8 hours job: 3577902

RA center: 13h 31' 1"

DEC center: +62° 40' 38"

Pixel scale: 0.533 arcsec/pixel

Orientation: -6.836 degrees

Field radius: 0.372 degrees

Resolution: 4186x2783

Locations: e-Eye, Fregenal de la Sierra, Extramadura, Spain

Data source: Own remote observatory

Remote source: e-EyE Extremadura


I just adore this area of the sky. A cornucopia of galaxies, large, medium and small. The two main galaxies gravitationally interacting, with tidal tails between them and behind them. I just don't understand why it is so rarely imaged.



Peter Goodhew
License: None (All rights reserved)

Sky plot

Sky plot


Arp 104 - Keenan's System, 


            Peter Goodhew

In these public groups

Entre Encinas y Estrellas (e-EyE)