Celestial hemisphere:  Northern  ·  Constellation: Perseus (Per)  ·  Contains:  46 Per)  ·  46 ksi Per  ·  California Nebula  ·  HD24664  ·  HD24747  ·  HD24843  ·  HD25152  ·  HD25308  ·  HD25329  ·  HD25454  ·  HD25538  ·  HD26103  ·  HD275900  ·  HD275906  ·  HD275908  ·  HD275909  ·  HD275910  ·  HD275950  ·  HD275952  ·  HD275953  ·  HD275954  ·  HD275956  ·  HD275957  ·  HD275958  ·  HD275959  ·  HD275963  ·  HD275964  ·  HD275995  ·  HD275996  ·  HD276001  ·  And 178 more.
NGC1499 - California Nebula, Willem Jan Drijfhout
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NGC1499 - California Nebula, Willem Jan Drijfhout
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Description

The California Nebula is a pretty large target in the constellation of Perseus. As a Hydrogen rich area, it does very well in broadband images. But here is an attempt to a narrow-band version. There is a very faint area of OIII nebulosity that is almost impossible to see on individual subs, especially from my not so dark bottle 5 sky. But with enough exposure the signal comes through.

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NGC1499 - California Nebula, Willem Jan Drijfhout