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Contains:  kappa Cru cluster, Jewel Box, NGC 4755, The star κCru
Getting plate-solving status, please wait...
NGC 4755 (Jewel Box), 


            Roger Groom
NGC 4755 (Jewel Box)

NGC 4755 (Jewel Box)

Technical card

Imaging telescope or lens:Williams Optics Megrez 90

Imaging camera:SBIG ST-8300C

Mount:Paramount ME

Focal reducer:Borg DGL 0.85X

Software:CCDStack 2+Photoshop CCMaxim DL 6 Pro

Resolution: 1342x1024

Dates:June 25, 2016

Frames: 20x180"

Integration: 1.0 hours

Avg. Moon age: 19.77 days

Avg. Moon phase: 74.24% job: 1131300

RA center: 193.409 degrees

DEC center: -60.360 degrees

Pixel scale: 4.445 arcsec/pixel

Orientation: -88.040 degrees

Field radius: 1.042 degrees

Locations: Perth Hills, Perth, Western Australia, Australia


A short sequence of exposures using the ST8300c one-shot-colour camera.


Roger Groom
License: None (All rights reserved)

Sky plot

Sky plot


NGC 4755 (Jewel Box), 


            Roger Groom