Celestial hemisphere:  Southern  ·  Constellation: Eridanus (Eri)  ·  Contains:  65 psi Eri  ·  67 bet Eri  ·  69 lam Eri  ·  Cursa  ·  IC 2118  ·  NGC 1720  ·  NGC 1726  ·  NGC 1752  ·  NGC 1779  ·  NGC 1797  ·  NGC 1799  ·  PK205-26.1  ·  Part of the constellation Eridanus (Eri)  ·  The star Cursa (βEri)  ·  The star λEri  ·  The star ψEri  ·  Witch Head nebula
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IC2118 - The Witchhead Nebula in Eridanus (Reprocessed), Arun H
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IC2118 - The Witchhead Nebula in Eridanus (Reprocessed)

Getting plate-solving status, please wait...
IC2118 - The Witchhead Nebula in Eridanus (Reprocessed), Arun H
Powered byPixInsight

IC2118 - The Witchhead Nebula in Eridanus (Reprocessed)

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With the cloudy weather in Wisconsin, I decided to reprocess some of my old data with new processing techniques. The main difference between this and the original image is the use of noise reduction in the linear and non linear phase - here I used TGVDenoise and MMT in the linear phase and ACDNR in the non linear phase. This would be better with twice the integration time, but that’s a luxury I don’t have.

Link to original image: https://astrob.in/382627/

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IC2118 - The Witchhead Nebula in Eridanus (Reprocessed), Arun H