The Ring – M57

Messier 57 is a planetary nebula with all the consequences. It was formed about 7,000 years ago, when a dying red giant star expelled its shell of ionized gas to form the nebula. And this star then be... Read More

Abell 61

Abell 61 is pretty faint and pretty ancient planetary nebula in Cygnus. It is located somewhere aroud 4,500 light years away and its age is estimated to 22,000 years. Central star apparent brightness ... Read More

Frosty Crab

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Two nights ago I pointed telescope one more time to M1 Crab nebula. Transparency was poor, but I was tempted with decent seeing. I was able to gather 150 minutes of light through hydrogen alpha filter... Read More