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NGC1499 – California Nebula

NGC1499, known as the California Nebula, is an emission nebula in the constellation Perseus. It has a visual magnitude of +5.00, an apparent size of 145 × 40 arcminutes and lies about 1,800 light-years from Earth.

General information

Constellation
Perseus
Category
Nebulae
Date
12 January 2023

Capture

Total time
4h 18min
Subframes
360s (Ha: 33x) bin1; RGB: 60s (R: 20x, G: 20x, B: 20x) bin2
Gain / Offset
125 / Not specified
Calibration
50 bias frames, 50 dark frames, 50 flat frames and 50 dark-flat frames

Equipment

Telescope
TS102 f/5.6
Camera
ZWO ASI294MM at -10 °C
Filters
LRGB and Ha Astronomik, 6 nm
Mount
Sky-Watcher HEQ5 Pro with belt drive
Guiding
PHD2, Guide scope 60 mm f/4 + ASI224MC + Pegasus Astro UCH + PPBMicro
Focuser
ZWO EAF
Filter wheel
ZWO EFW 7pos

Processing and environment

Processing
Stacked and post-processed with PixInsight 1.8.9
Acquisition
NINA
Location
l'Ampolla, Tarragona
Sky
Bortle 4

Additional versions

Starless versionStarless version that reveals the emission structures of the California Nebula more clearly.