Messier 50 in Monoceros
Exposure data
Date:
Location:
Telescope
Mount:
Exposure time:
Exposure time total:
Notes:
2018-12-01+03+04
Pentax 125 SDP (f=800mm)
10micron GM2000 HPS, unguided
55x6 min ISO 800
5h 30min
Camera:
Nikon D750
Object data M 50
Object type:
Constellation:
Distance:
Notes:
Size:
Magnitude:
Open Star Cluster (II 3 m)
16’
5.9 mag (V)
Mon
3.000 Ly
Messier 48 has a diameter of about 23 ly and is about 300 million years old.
Object data vdB 87
Object type:
Constellation:
Distance:
Notes:
Magnitude:
---
---
Mon
~10.000 Ly
The nebula is divided into three main parts, catalogued as vdB 87a, vdB 87b and vdB 87c, which are illuminated by three white-blue dwarfs, one of which is spectral class B6V and the other two are class B1V.
Reflection / Emission nebula
Size: