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)
50x4 min, ISO 800
03h 20min
Camera:
Nikon Z6
Object data Messier 23
Object type:
Constellation:
Distance:
Notes:
Size:
Magnitude:
Messier 23 - wide field
2022-06-04
Open Star Cluster
27‘
Sgr
Messier 23 has about 150 members and is about 300 million years old. The object is one of the six brightest open star clusters in the constellation Sagittarius.
5.5 mag
2150 ly