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IC - 443 - Jellyfish nebula, Rich Sky
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IC - 443 - Jellyfish nebula, Rich Sky
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Equipment

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Acquisition details

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Description

IC 443 project completed on 20-02-2020 using Baader highspeed filter set (HSO).

(****O-III data is mediocre, S-II and H-a are fair quality)

Acquisition:

Polar alignment error 20-02-2020: 2.9'

Polar alignment error 12-02-2020: 0.2'

Polar alignment error 03-02-2020: 1.3' (using PHD log viewer)

O-III Capture date : 20-02-2020

focus:10,504

Plate error:25pxl

X=120

Mean ADU: 6094

Bin 1x1

stars 747

HFR: 2.5 (FWHM = 3.8 - 4.2)

S-II Capture date: 12-02-2020

focus 10,319

plate error: 0 pxl

Mean : 2805

Bin: 1x1

stars: 801

HFR: 2.18 (FWHM= 3.2 - 3.6 )

X: 180

H-a capture date: 03-02-2020

focus: 10286

plate error: 0 pxl

Mean: 7404

stars 718

HFR 2.28 (FWHM = 3.2 -3.6)

X: 180

Processed

Red channel: H-a

Green channel; S-II

Blue: O-III

interpolation: On

click the link above to see a 3D-image of the jellyfish.

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IC - 443 - Jellyfish nebula, Rich Sky