IC 443 – Jellyfish Nebula, 2025

[Mårten Frosth]

Data for this image was gathered during 11 sessions between 2022-12-14 and 2025-02-01
Data for this image: 100x300s S-II, 100x300s Ha, 100x300s O-III.
Total number of exposures 300 with a total integration time of 25 hours.
Processing: PixInsight with SHO palette with synthetic RGB stars.
Equipment: SkyWatcher EvoStar 80ED Pro (0,85x FR/FF) and ZWO ASI294MM Pro on SkyWatcher HEQ5 Pro with SkyWatcher EvoGuide 50ED and ZWO ASI120MM Mini. ZWO SII, Ha, and OIII filters.
Location: 63 degrees north with a bortle 4 sky.

Objekt: IC 443 – Jellyfish Nebula, 2025
Objekttyp: Supernovarest
Teleskop/objektiv: SkyWatcher EvoStar 80ED Pro
Montering: SkyWatcher HEQ5 Pro
Kamera: ZWO ASI294MM Pro
Ytterligare utrustning: ZWO SII, Ha och OIII filter
Plats: 63 grader nord med en bortle klass 4 himmel
Mjukvara: PixInsight
Filter: Ha, SII, OIII
Fotograf: Mårten Frosth
Lokalförening: Norra Sveriges AmatörAstronomer (NSAA)
Datum (UT): 2025-02-01
Tid (UT): 23:00:00
Exponeringstid: 25 timmar
Kalibrering: dark
Bildbehandling: PixInsight med en SHO-palett och SRGB-stjärnor
Bin: 2×2
Kameratemperatur: -15
Autoguidning: Nej
Pixelskala i bågsekunder: 1,87

Attachments:

1. 

   IC_443_2025_SHO_SRGB_stars_wm_02.jpg
   

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