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Contains:  IC 410, NGC 1893
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IC410 - The Tadpole Nebula, 


            John Kulin
IC410 - The Tadpole Nebula
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IC410 - The Tadpole Nebula

Technical card

Dates:Nov. 29, 2019Dec. 1, 2019

Chroma Ha 3nm: 11x1200" -20C bin 2x2
Chroma OIII 3nm: 11x1200" -20C bin 2x2
Chroma SII 3nm: 11x1200" -20C bin 2x2

Integration: 11.0 hours

Darks: ~30

Flats: ~25

Bias: ~100

Avg. Moon age: 3.91 days

Avg. Moon phase: 16.99%

Bortle Dark-Sky Scale: 5.00

Mean SQM: 19.54

Temperature: -4.05

Basic astrometry details job: 3093852

RA center: 5h 22' 44"

DEC center: +33° 21' 25"

Pixel scale: 1.528 arcsec/pixel

Orientation: 88.221 degrees

Field radius: 0.318 degrees

Resolution: 1200x898

Locations: Home Obeservatory, Coven, South Staffs., United Kingdom

Data source: Backyard


I have always looked at the tadpoles and thought was a lovely quirky object to capture, so with very little moon and reasonable clear nights, I captured this on the 29/11/19 and the 01/12/19.

I'm really quite pleased with it, all I have done is about 20 minutes of processing and that's it, working on the basis of less is more I thought I'd leave it at that and if one day my skills at processing improve, then I can always have another go.

This has simply been, SHO combination, ABE, SCNR (Green), Histogram and Curves stretch and that is it, it really had all the data there.

Here's the bumf: -

IC410 is a dusty emission nebula located in the constellation of Auriga at about 12.000 ly from Earth. It is part of a larger star forming region that also contains the Flaming Star Nebula. The gas structures in this picture are lit by the radiation from the open star cluster NGC1893 that lies in the center of the nebula. This star cluster is about 4 million years old, but in astronomical terms it is still very young, with hot, massive stars. At the top-left of the star cluster two more dense structures are visible. These are similar to the famous Pillar of Creation and they are composed of dust and gas leftover from the formation of the star cluster and are very likely to give birth to more stars in the future. As can be seen in the picture, these structures point away from the center of the nebula. This is because of the stellar winds and radiation pressure from the stars in NGC 1893. Due to these structure's shape, the nebula is also called the Tadpoles Nebula.

Images of the star cluster by the Chandra X-ray Observatory suggest that it contains approximately 4600 young stellar objects.



John Kulin
License: None (All rights reserved)

Sky plot

Sky plot


IC410 - The Tadpole Nebula, 


            John Kulin