The Tadpole Nebula (IC 410) is an H II region located approximately 12,400 light-years away in the northern constellation Auriga. It is associated with the young open cluster NGC 1893. The cluster has an apparent magnitude of 7.5 and an apparent size of 11 arcminutes. The star cluster is embedded in the Tadpole Nebula (HII region IC 410).
The dusty emission nebula IC 410 is ionized by five hot, blue, O-type stars, HD 242935 (O7.5V), BD +33 1025 (O7V), HD 242908 (O4.5V), HD 242926 (O7Vz), and TYC 2394-1214-1. These massive stars are believed to be the main sources of ionization in the region. They emit high-energy ultraviolet protons that excite the nebula and make it glow. The nebula is more than 100 light-years across. It is part of a larger star-forming region that is also home to the nearby Flaming Star Nebula (IC 405).NGC 1893 is an open cluster in the constellation Auriga.

Telescope: Planewave Delta Rho 350 f3.0
Mount: Astro Physics 3600GTO “El Capitan”
Camera: ZWO ASI461MM pro / EFW-7
Guider: ZWO OAG-L-68 / ZWO ASI174mm Mini
Filters: Astrodon II 50mm Sq LRGB

L: 104×5 mins = 520 mins, R: 48×5 mins = 240 mins, G: 48×5 mins = 240 mins, B: 48×5 mins = 240 mins

Total Imaging Time: 20h 40m

Data Imaged remotely on 7 nights during November & December, 2025.
Data acquisition & Processing by David Churchill.

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