Hemisphere:  Northern  ·  Constellation: Gemini (Gem)  ·  Contains:  10 Gem  ·  11 Gem  ·  12 Gem  ·  13 mu. Gem  ·  7 eta Gem  ·  9 Gem  ·  Gem A  ·  IC 443  ·  IC 444  ·  IC443  ·  IC444  ·  Part of the constellation Gemini (Gem)  ·  Sh2-248  ·  Sh2-249  ·  Tejat Posterior  ·  Tejat Prior  ·  The star Propus (ηGem)  ·  The star μGem
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Sh2-248 & 249 (IC443 &444) - The Jellyfish Nebula in Gemini - SHO, 



    
        

            Daniel.P
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Sh2-248 & 249 (IC443 &444) - The Jellyfish Nebula in Gemini - SHO

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

Imaging telescopes or lenses: Meade APO 115

Imaging cameras: ZWO ASI1600MM-Cool

Mounts: Ioptron CEM 120 EC2

Guiding telescopes or lenses: Meade APO 115

Guiding cameras: zwo ASI 120 mini

Focal reducers: Meade 0.8x Focal Reducer/Flattener For 115/130 APO

Software: PHD2 2.6.9  ·  Sequence Generator Pro  ·  PixInsight

Filters: AstroDon 5nm Ha filter  ·  AstroDon 5nm SII filter  ·  AstroDon 5nm OIII filter

Accessory: Pegasus Astro Focus Cube  ·  ZWO EFW 31mm 8 positions


Dates:Oct. 29, 2020Nov. 1, 2020Nov. 18, 2020

Frames:
AstroDon 5nm Ha filter: 47x600" (gain: 136.00) -18C bin 1x1
AstroDon 5nm OIII filter: 47x600" (gain: 136.00) -18C bin 1x1
AstroDon 5nm SII filter: 43x600" (gain: 136.00) -18C bin 1x1

Integration: 22.8 hours

Avg. Moon age: 10.70 days

Avg. Moon phase: 69.96%


Astrometry.net job: 4034958

RA center: 6h 19' 51"

DEC center: +22° 54' 14"

Pixel scale: 1.212 arcsec/pixel

Orientation: -2.392 degrees

Field radius: 1.789 degrees


Resolution: 8514x6361

Locations: e-eye extremadura, Fregenal de la Sierra, Spain

Data source: Own remote observatory

Remote source: e-EyE Extremadura

Description

This 4 panels mosaic was acquired over the nights of 29, 30, 31 of October and 1, 9, &17, 18 of November.

Camera was cooled at -18 and -21°C.

Ha channel was used as luminance

Comments

Revisions

  • Final
    Sh2-248 & 249 (IC443 &444) - The Jellyfish Nebula in Gemini - SHO, 



    
        

            Daniel.P
    Original
  • Sh2-248 & 249 (IC443 &444) - The Jellyfish Nebula in Gemini - SHO, 



    
        

            Daniel.P
    B

B

Description: Color variation

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Sh2-248 & 249 (IC443 &444) - The Jellyfish Nebula in Gemini - SHO, 



    
        

            Daniel.P