IC 410 - The Tadpole Nebula
Emission Nebula in Auriga
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. It is an easy target for small telescopes.

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).


Image Details
Date
March 6-8, 2024 & January 20, 2022
LOCATion
Hannover (Germany)
Sky Quality
Bortle 5
Telescope
Celestron RASA 8 (203/400 f/2)
Skywatcher 200/1000 @750mm f/3.75
Mount
Skywatcher EQ6-R Pro
Main Camera
ZWO ASI 2600 MC Pro
Gain 100, Offset 18, -10°
Focuser
Celestron Motorfocus
ZWO EAF
Filter
IDAS NBZ Dualbandfilter
Baader UV/IR-Cut Filter
Exposure
Ha: 52 x 120‘‘ (1h 44‘) & 78 x 120‘‘ (2h 36‘) & 40 x 240‘‘ (2h 40‘)
RGB: 158 × 60″ (3h 5′)
Total: 10h 5′
Guiding
ZWO ASI 120MM, PHD2
Calibration
Flats, Darks, Darkflats
Software
N.I.N.A., EQMod
Other
Artesky Filter Holder
Processing
Astropixelprocessor, Photoshop, Pixinsight
  
  
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