M42 6.2.2017
 
The center of M42. Clouds and bad seeing messed the image a bit. a mass of about 2000 times the mass of the Sun and is about 1300 light years away.
 
   
M42 8.2.2017
 
The center of M42. a mass of about 2000 times the mass of the Sun and is about 1300 light years away.
 
   
M42 21.2.2017
 
30 minute exposure in 2 second pieces of M42. a mass of about 2000 times the mass of the Sun and is about 1300 light years away.
 
   
M42 21.2.2017
 
The same image in black and white as above. a mass of about 2000 times the mass of the Sun and is about 1300 light years away.
 
   
NGC 2392 17.3.2017
 
NGC 2392 is a 9th magnitude bipolar double shell planetary nebula located in the constellation of Gemini. a mass of about 2000 times the mass of the Sun and is about 1300 light years away.
 
   
M57 25.8.2017
 
Messier 57 is a planetary nebula located in the constellation of Lyra. It is about 2300 light years from Earth.
 
 
   
M57 1.9.2017
 
Messier 57 in a slightly better seeing.
 
 
   
NGC 6543 1.9.2017
 
Cat's Eye Nebula, a bright planetary nebula at the constellation of Draco. Distance: 3 262 light years.
 
 
   
NGC 6543 1.9.2017
 
Wider field view of the same object..
 
 
   
M15 2.9.2017
 
Messier 15 is a globular cluster containing over 100,000 stars. It is located in the constellation of Pegasus at a distance of about 33600 light years from Earth.
 
 
   
M103 4.9.2017
 
Open cluster with clear color variations amongst the stars.
 
 
   
M103 5.9.2017
 
A view lot like the day before.
 
 
   
M15 24.9.2017
 
A slightly longer exposure compared to 2.9.17.
 
 
   
M57 24.9.2017
 
Messier 57 with a different color scheme.
 
 
   
Eta Cassiopeiae 24.9.2017
 
A real binary star system with a 480 year period 19,42 light years away.
 
 
   
Polaris, Albireo , Eta Cassiopeiae 24.9.2017
 
Three famous binaries.
 
 
   
   
 
 
Copyright 2018 © L. Ekblom