NGC 1499

California Nebula

NGC 1499 is a gas nebula and star formation region in the Perseus constellation and is also known as the California Nebula because of its shape.

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recording data

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object NGC 1499
date of recording
 November 22, 23, 2017
exposure 6.7 h, H-Alpha: 190x100", OIII: 50x100"
telescope Celestron RASA F2.2
focal lenght 620mm
filter Baader f/2 Highspeed 2" H-Alpha, Baader f/2 Highspeed 2" OIII
camera ZWO ASI1600mmc
guiding 250mm guide scope, MGEN
mount Celestron CGE pro
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The California Nebula was discovered in 1884 by the American astronomer Edward Barnard and was shortly afterwards included by Dreyer in his New General Catalogue (NGC) published in 1888. The nebula is the closest HII region (a star formation region) with a distance of 1,000 light years from Earth and an extension of 60 light years. Its reddish appearance is caused by hydrogen atoms which are ionized by the neighbouring star ξ Persei (Menkib). Due to its low surface brightness, the shape of the nebula can only be seen on long exposures.

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Baerenstein Observatory

private observatory
Marcel Drechsler

epost@marcel-drechsler.de

 

 

 

 

© Marcel Drechsler, all rights reserved

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