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Sunday, April 12, 2026

Tadpoles Nebula - NGC 1893

Tadpoles Nebula (NGC 1893) HOO palette image taken on November 22, 2025 from Kline-Dodge dark site of the Denver Astronomical Society (DAS) near Deer Trail, Colorado (Location in Google Maps).

Federico Arribas

Telescope:

Askar 71F | 490 mm | f/6.9

Camera:

ZWO ASI2600MC 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:

245 minutes integration time
300 seconds subs
GAIN 100

Notes:

Bortle 3
Moon: 8%
Crop: 6000x4000 px

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