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Contains:  IC 410, NGC 1893, The star 19Aur
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The Tadpoles of IC 410  HOO, 


            Paul Borchardt
The Tadpoles of IC 410  HOO
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The Tadpoles of IC 410 HOO

Technical card

Dates:Feb. 18, 2019

Astrodon Ha 1.25 5nm: 36x300" (gain: 75.00) -15C bin 1x1
Astrodon OIII 1.25 3nm: 24x300" (gain: 75.00) -15C bin 1x1

Integration: 5.0 hours

Darks: ~20

Flats: ~20

Avg. Moon age: 13.42 days

Avg. Moon phase: 97.95%

Basic astrometry details job: 2532925

RA center: 5h 22' 50"

DEC center: +33° 27' 14"

Pixel scale: 1.380 arcsec/pixel

Orientation: 1.690 degrees

Field radius: 0.884 degrees

Resolution: 3600x2880

Locations: Backyard at home, Brookfield, Wisconsin, United States

Data source: Backyard


IC 410 is an emission nebula about 10,000 to 12,000 light-years away us in the constellation Auriga. The center of this nebulous region is the star cluster NGC 1893, and just to the upper left of this cluster lies two structures that resemble tadpoles. These structures are made of leftover hydrogen and dust from the formation of the cluster which is estimated to be only 4 million years old. The “tails of the tadpoles are sculpted by the solar winds and radiation coming from the clusters stars. The tadpoles are around 10 light-years long and are likely sites of ongoing star formation. Their heads are outlined by bright ridges of ionized gas while their tails trail away from the cluster's central region.
With so few clear nights lately IC 410 was high on my list of objects in the winter sky to image do to having these peculiar formations. I was able to setup in my backyard before sunset and was ready to start gathering photons as soon as it was dark enough. This gave me 5 hours to take the 60 subs in this image before Auriga started to slip low in the western sky around midnight.
This narrow band image was taken through just two filters, the Hα and OIII and combined as a HOO format.



Paul Borchardt
License: None (All rights reserved)

Sky plot

Sky plot


The Tadpoles of IC 410  HOO, 


            Paul Borchardt

In these public groups

Milwaukee Astronomical Society