Tadpoles of IC 410 - Narrow Bands (Jian Yuan Peng)

Tadpoles of IC 410 - Narrow Bands

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

The Tadpoles Nebula (aka IC410) - Tadpoles swim in the cosmic ocean.

This faint, dusty, emission nebula locates in the constellation Auriga about 12,000 light-years away from Earth.

The cloud of glowing hydrogen gas structures(red color) in this picture is lit by the radiation from a galactic cluster of stars NGC1893 that lies in the center of the nebula. There are two tadpole shapes in the center of the image about 10 light-years long which consist of denser, cooler gas, and dust, and it is known as the Tadpoles of IC 410.

This is a Hubble Palette (SHO) narrowband imaging that NASA tends to use RGB mapping with Sulphur II, Ha, OIII filter data.

R=0.6*Sii + 0.45 * Ha

G=.7*Ha + 0.3*Oiii

B=Oiii

Used Synthetic Lum from (Ha+S2+O3)/3

RGB stars

Resolution ............... 0.783 arcsec/px

Rotation ................. -89.789 deg

Observation start time ... 2020-09-23 09:40:21 UTC

Observation end time ..... 2020-11-10 13:29:49 UTC

Focal distance ........... 990.19 mm

Pixel size ............... 3.76 um

Field of view ............ 2d 2' 51.5" x 1d 21' 48.8"

Image center ............. RA: 5 22 36.290 Dec: +33 25 01.31

Filters: Astrodon 50mm Unmounted RGB Gen2 E-Series Tru-Balance Filter Sets

Astrodon 50mm Unmounted 3nm Narrowband Ha, SII, OIII filters

Blue FWHM 1.87 ~ 3.00(cut-off) Approved 105/131

105*60" 1 Hour 45 Minutes Bin2x2 9/24, 9/25, 10/19/2020

Green FWHM 1.83 ~ 3.00(cut-off) Approved 110/123

110*60" 1 Hour 50 Minutes Bin2x2 9/24, 9/25, 10/19/2020

Red FWHM 2.18 ~ 3.00(cut-off) Approved 120/123

121*60" 2 Hour Bin2x2 9/24, 9/25, 10/19/2020

Ha FWHM 2.20 ~ 4.00(cut-off) Approved 83/93

83*900 20 Hours 45 Minutes Bin2x2 9/22 ~ 11/09/2020

OII FWHM 2.31 ~ 4.00 (cut-off) Approved 69/84

69*900 17 Hours 15 minutes Bin2x2 9/22 ~ 11/09/2020

SII FWHM 2.15 ~ 4.00 (Cut-off) Approved 80/89

80*900 20 Hours Bin2x2 9/22 ~ 11/09/2020

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Status	Basic success
Started	...
Astrometry.net job	4005058
PixInsight job	n/a
PixInsight queue size	n/a
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Tadpoles of IC 410 - Narrow Bands

Tadpoles of IC 410 - Narrow Bands

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Tadpoles of IC 410 - Narrow Bands

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