NGC 4755 & Coal Sack Nebula in Crux - wide field
Exposure data
Date:
Location:
Telescope
Mount:
Exposure time:
Exposure time total:
Notes:
Vixen FL55SS with original flattner (f=312 mm)
Skywatcher AZ-EQ6 GT (piggyback)
78x4 min, ISO 800
05h 12min
Camera:
Nikon Z6
Object data NGC 4755
Object type:
Constellation:
Distance:
Notes:
Size:
Magnitude:
2022-05-29 + 06-01+02
Open Star Cluster (I3r)
10’
Cru
6 800 Ly
NGC 4755, also called Jewel Box, is an open star cluster visible with the naked eye. This cluster is one of the youngest known, with an estimated age of 14 million years
+4.2 mag