Observation by Alan Tough: NGC 4755, the "Jewel Box"

Uploaded by

Test User


Alan Tough


2018 Mar 10 - 15:00


2018 May 20 - 20:36


The Jewel Box (NGC4755)

  • : iTelescope T31: Planewave 20" CDK
  • FLI ProLine PL09000 CCD camera
  • Planewave Ascension 200 HR mount

Luminance = 3 x 180 seconds; RGB = 3 x 60 seconds per filter


Siding Spring, Australia

Target name

NGC 4755


NGC 4755, the "Jewel Box"

About this image

Alan writes "The Jewel Box (NGC 4755, Caldwell 94) is a magnificent open cluster in the southern constellation Crux. To image this object, I logged on remotely to iTelescope T31 at the Siding Spring Observatory in New South Wales, Australia. 

Files associated with this observation
Like this image
Copyright of all images and other observations submitted to the BAA remains with the owner of the work. Reproduction of work by third parties is expressly forbidden without the consent of the copyright holder. By submitting images to this online gallery, you grant the BAA permission to reproduce them in any of our publications.