Hemisphere:  Northern  ·  Constellation: Gemini (Gem)  ·  Contains:  10 Gem  ·  11 Gem  ·  12 Gem  ·  13 mu. Gem  ·  7 eta Gem  ·  9 Gem  ·  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
Getting plate-solving status, please wait...
IC 443 Jellyfish Nebula, 



    
        

            paolobar
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IC 443 Jellyfish Nebula

Getting plate-solving status, please wait...
IC 443 Jellyfish Nebula, 



    
        

            paolobar
Powered byPixInsight

IC 443 Jellyfish Nebula

Imaging telescopes or lenses: Canon 400mm f5.6L

Imaging cameras: ZWO ASI 1600MM Pro

Mounts: Orion Atlas AZ/EQ Pro

Guiding telescopes or lenses: Orion 50 mm Guide Scope

Guiding cameras: Orion Star Shoot AutoGuider (SSAG)

Software: Main Sequence Software Seqence Generator Pro 3  ·  PHD2  ·  Pixinsight

Filters: Astrodon SII 3nm 31mm  ·  Astrodon H-a 5 nm 31mm  ·  Astrodon O-III 3nm-31mm

Accessory: zwo EFW  ·  Polemaster


Dates:Jan. 21, 2019Jan. 22, 2019Jan. 23, 2019

Frames:
Astrodon H-a 5 nm 31mm: 46x300" (3h 50') (gain: 200.00) -15C bin 1x1
Astrodon O-III 3nm-31mm: 32x300" (2h 40') (gain: 200.00) -15C bin 1x1
Astrodon SII 3nm 31mm: 39x300" (3h 15') (gain: 200.00) -15C bin 1x1

Integration: 9h 45'

Darks: ~25

Flats: ~23

Bias: ~25

Avg. Moon age: 16.25 days

Avg. Moon phase: 96.56%

Bortle Dark-Sky Scale: 8.00

Mean SQM: 17.80

Temperature: 8.00


Astrometry.net job: 2491621

RA center: 6h 19' 14"

DEC center: +22° 37' 48"

Pixel scale: 2.019 arcsec/pixel

Orientation: 31.846 degrees

Field radius: 1.469 degrees


Resolution: 4062x3306

Locations: Backyard - Bortle 8-9 zone, San Jose, CA, United States

Data source: Backyard

Description

In this NB with full moon I had a lot of difficulties to minimize the obvious gradients in the background. Also evident are the reflections artifact of the microlenses of the ASI 1600 camera of the two bright stars. The image has been processed with the Tone Map workflow.

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IC 443 Jellyfish Nebula, 



    
        

            paolobar

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