California Nebula (NGC 1499) true color image taken on July 26, 2025 from Kline-Dodge dark site of the Denver Astronomical Society (DAS) near Deer Trail, Colorado (Location in Google Maps).
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| Federico Arribas |
Telescope:
Askar 71F | 490 mm | f/6.9
Camera:
ZWO ASI2600 Pro | APSC | 6248 x 4176 px
Mount:
Sky Watcher Star Adventurer GTI
Guiding:
SVBONY SV106, 50mm F3.8 guide scope
ZWO ASI120MM Mini
Control:
ZWO ASIAir Plus
Filter:
SV220 Dual narrowband Ha + OIII 7nm
Imaging:
42 minutes integration time
120 seconds subs
GAIN 100
Notes:
Bortle 3
Moon: 5%
Crop: 6000x4000 px
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