As we lead our daily lives, our planet Earth rotates around our Sun cradled within the Milky Way galaxy we belong to. Nightly, amateur astronomers around the world peer into the sky with their telescopes and CCD cameras.
We encounter a type of emission nebula consisting of expanding, glowing shell of ionized gas ejected from red giant stars late in their lives, they are called Planetary nebula which are just fascinating to themselves.
These are the many deep-sky planetary nebulas that I have seen and imaged from the Dallas-Fort Worth metroplex, so far...
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