NGC 7531

50%  resolution (2.2MB)

Object identification (2.2MB)

Inverted image (2.8MB)

Object data of NGC7531

Object type: Galaxy (Sb-c)
Size: 4.5' x 1.7'
Magnitude: 12.1 mag
Constellation: Gru
Distance: 60 Mio Ly
Notes: NGC 7531 is a spiral galaxy about 60 million light-years away in the constellation Grus. This southern galaxy is one of the brightest and largest examples of a "nonbarred", ringed system.

The image above shows a large, low surface brightness galaxy, 2.6' west of the center of NGC 7531. This faint galaxy is clearly visible in the inverted image.

Exposure data

Date: 2015-10-07 + 2015-10-10 + 2015-10-11 + 2015-10-17
Location: Hacienda Los Andes / Chile (1100m)
Telescope: RCOS 14.5" f/9
Camera: FLI PL16070 with Astrodon filters
Binning: L 1x1 RGB 1x1
Mount: Astro-Physics AP1200GTO
Exposure time: L 24x8min R 12x8min / G 12x8min / B 12x8min
Exposure time total: 8h00min
Notes: Image acquisition by CEDIC team (Markus Blauensteiner, Christoph Kaltseis, Bernhard Hubl)

Image processing by Markus Blauensteiner