California nebula narrowband tricolor, Joaquin Ferreiros

California nebula narrowband tricolor

California nebula narrowband tricolor, Joaquin Ferreiros

California nebula narrowband tricolor

Equipment

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Acquisition details

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Description

NGC 1499, the California nebula, is an emission nebula located in Perseus.  This image was obtained from our backyard observatory in Pozuelo de Alarcón  through narrowband  filters in the H alpha, Oxigen III (OIII) and Sulfur II (SII) bands, in winter 2023.  The Hubble palette was employed for representation, where the SII, H alpha and OIII bands were assigned to the red, green and blue colors, respectively. Unguided 30 minutes subexposures, total of 29 hours. Software: ASA Autoslew and Sequence for image acquisition . PixInsight for image processing, last touches on Photoshop.

Comments

Histogram

California nebula narrowband tricolor, Joaquin Ferreiros