GxCl Abell 1

100%  resolution (1.5MB)

DSLR widefield image

Object data of Abell1

Object type: Galaxy cluster
Size: 32'
Magnitude: -
Constellation: Peg
Distance: 1.5 GLy
Notes: The Abell catalog of rich clusters of galaxies is an all-sky catalog of 4,073 galaxy clusters. The first member of Abell's catalog is shown in the upper image. Abell 1 contains many galaxies, but these galaxies are very faint and very small, because of the large distance of this galaxy cluster to earth:
  • redshift z=0.125
  • Light-travel time = 1.5 billion years

Exposure data

Date: 2015-09-09 until 2015-11-18 (13 nights)
Location: Nussbach / Austria (400m)
Telescope: 12" Newtonian telescope (f=1120mm)
Camera: QSI 660wsg-8 with Astrodon filters
Binning: L 1x1 / RGB 1x1
Mount: ASA DDM85
Exposure time: L 90x8min / R 30x8min / G 30x8min / B 30x8min
Exposure time total: 24h 00min