40
Votes
Christopher Scott's picture

NGC1499 in HaOIIIRGB

This is the California Nebula (NGC1499) shot over a four night period with refractor and dedicated monochrome astronomical camera in Hydrogen-alpha, Oxygen III, RGB. This is an emission nebula in constellation Perseus and was named because of its shape resembling the state of California.

Ha - 12 hours
OIII- 9.5 hours
Red- 2 hours
Green- 2 hours
Blue- 2 hours

27.5 hours total exposure

Reduced to 338mm · f/4.8 · 360 second subframes · ISO N/A
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2 Comments

Fantastic image Chris! One of the best I have seen of this target. What was the total integration time?

That’s a marvelous work chris