NGC 4755  -  Wide field

50%  resolution (1.5MB)

Object identification - 50% (1.5MB)

Image with 20"RC

Object data of NGC4755

Object type: Open star cluster (I3r)
Size: 10'
Magnitude: 4.0 mag
Constellation: Cru
Distance: 6,400 Ly
Notes: NGC 4755, the Jewel Box, is an open star cluster in the constellation Crux. This cluster is one of the youngest known, with an estimated age of 14 million years.

Exposure data

Date: 2014-03-07 + 2014-03-08
Location: Hacienda Los Andes / Chile (1100m)
Telescope: Canon EF 135mm f/2.0L @ f/2.8
Camera: EOS1000D (ISO400)
Mount: Astro-Physics AP1600GTO
Exposure time: 58x2min
Exposure time total: 1h56min
Notes: Image acquisition by CEDIC team (Bernhard Hubl, Christoph Kaltseis, Wolfgang Leitner and Herbert Walter)

Image processing by Bernhard Hubl