Abell 39

Astrobin Image Of The Day

 

Published in Astronomy Now magazine July 2019.

 

Abell 39 is a low surface brightness planetary nebula in the constellation of Hercules. It is almost perfectly spherical and also one of the largest known spheres with a radius of about 2.5 light-years.

 

22h5m total integration (20x300s L,13x300s R, 20x300sB, 20x300s G, 32x1800s OIII).

 

e-Eye, Spain 28/3-4/5/2019.

 

APM TMB 152 F8 LZOS, 10 Micron GM2000HPS, QSI6120wsg8

Done