2026-09-08

A Quick 30-Minute Window under the Night Sky

Last night I chose to not use the external power supply for my SeeStar S50 Telescope and took this 30 minute exposure of Also called the Crescent Nebula or NGC 6888, Caldwell 27 holds a massive, incredibly hot star at its heart.

Deep sky nebula captured during a 30-minute imaging session
A 30-minute exposure capture before the clouds and threat of rain rolled in.

NASA Description

Also cataloged as NGC 6888 and nicknamed the Crescent Nebula, Caldwell 27 was discovered by William Herschel in 1792. This stellar demolition zone lies within our own galaxy, about 4,700 light-years from Earth in the constellation Cygnus, the Swan. With a magnitude of 8.8, the Crescent Nebula is not visible to the naked eye — but if it were, it would appear in the sky as an ellipse one-quarter the size of the full moon. In the future, the nebula’s shell may become compressed and begin glowing again, this time as a powerful blast wave moves outward from this Wolf-Rayet star (dubbed WR 136) when it completely destroys itself in a supernova explosion.


Captured from the the deck in my backyard!

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