Hemisphere:  Northern  ·  Constellation: Gemini (Gem)  ·  Contains:  1 Gem  ·  10 Gem  ·  11 Gem  ·  12 Gem  ·  13 mu. Gem  ·  2 Gem  ·  3 Gem  ·  4 Gem  ·  5 Gem  ·  6 BU Gem  ·  7 eta Gem  ·  8 Gem  ·  9 Gem  ·  Gemini  ·  IC 2157  ·  IC 443  ·  IC 444  ·  IC2156  ·  IC2157  ·  IC443  ·  IC444  ·  M 35  ·  M35  ·  NGC 2158  ·  NGC 2168  ·  NGC2158  ·  Part of the constellation Gemini (Gem)  ·  Propus  ·  Sh2-248  ·  Sh2-249  ·  And 7 more.
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IC443 Jellyfish Nebula, 



    
        

            Gebhard Maurer
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IC443 Jellyfish Nebula

Technical card

Imaging telescopes or lenses: William Optics WhiteCat 51

Imaging cameras: Canon EOS 600Da

Mounts: SkyWatcher EQM 35 Pro SynScan GoTo

Guiding telescopes or lenses: Lacerta MGEN2-Autoguider with 9x50 Finder Scope

Software: PixInsight PixInsinght 1.8


Dates:Feb. 19, 2020

Frames: 25x180" ISO1600

Integration: 1.2 hours

Darks: ~15

Flats: ~53

Bias: ~60

Avg. Moon age: 25.68 days

Avg. Moon phase: 15.84%

Bortle Dark-Sky Scale: 3.00

Mean FWHM: 2.00

Temperature: -2.00


Astrometry.net job: 3273067

RA center: 6h 15' 19"

DEC center: +23° 18' 31"

Pixel scale: 3.594 arcsec/pixel

Orientation: 19.403 degrees

Field radius: 3.061 degrees


Resolution: 5116x3376

Locations: Steyersberger Schwaig, Kirchberg am Wechsel, Niederösterreich, Austria

Data source: Traveller

Description

This is my first light with my new WhiteCat51. Started too late. Only 25 lights was possible.
IC 443 (also known as the Jellyfish Nebula and Sharpless 248 (Sh2-248)) is a galactic supernova remnant (SNR) in the constellation Gemini. On the plane of the sky, it is located near the star Eta Geminorum. Its distance is roughly 5,000 light years from Earth.

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IC443 Jellyfish Nebula, 



    
        

            Gebhard Maurer