NGC1499, the "California Nebula"
RA 04h 03m 18.00s Dec +36° 25′ 18.0"
HST-palette

NGC 1499, the "California Nebula" locates in constellation Perseus. Distance is about 1000 light years.
The nebula covers about 2,5 degrees of sky.
HST-palette composition from emission of ionized elements, R=Sulfur, G=Hydrogen and B=Oxygen.

All the exposures, I have taken for this object, are used. Total exposure time is now about 20h together.
Two camera lenses was used to capture the data, a Tokina AT 300mm f2.8 and a Canon EF 200mm f1.8, both lenses was used at full aperture. Baader narrowband filter set was used, H-alpha, O-III and S-II
QHY8, cooled astronomical camera, was used with Tokina lens and a newer QHY9 with a Canon lens.