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Contains:  IC 430, NGC 1999, M 43, NGC 1982, NGC 1977, NGC 1980, M 42, Great Nebula in Orion, NGC 1976, NGC 1975, NGC 1981, NGC 1973, The star 45Ori, The star ιOri, The star θ2Ori, The star θ1Ori, The star 42Ori
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The Jewel of the Nile  - M42 NB, 


            Andys Astro
The Jewel of the Nile  - M42 NB

The Jewel of the Nile - M42 NB

Technical card

Resolution: 3184x2416

Dates:Dec. 6, 2016

Frames: 50x1800"

Integration: 25.0 hours

Avg. Moon age: 6.51 days

Avg. Moon phase: 40.81% job: 1364439

RA center: 83.718 degrees

DEC center: -5.706 degrees

Pixel scale: 3.291 arcsec/pixel

Orientation: 92.233 degrees

Field radius: 1.827 degrees

Locations: Burwood, Melbourne, Victoria, Australia


My take on theis perennial favourite in glorious Narrowband.
There are some hints of NGC 1999 at 4 o'clock (anyone remember Space 1999 on TV?) and some cool shapes in the outer gaseous regions, not often seen - especially the "finger" at 7 o'clock.
This is 7 different filters, (there's Ha, O3, S2 & a touch of N2, RG & B) and 17 datasets combined - Man that was a lot of data to process and collate, something like 25 hrs all up in 60sec, 300 sec, 1200 sec and 1800 sec exposures. I added RGB stars as well.
Interesting how "the Running Man" doesn't feature. He showed up ok in the Blue but probably needs more broadband integration than these 18x60 sec subs allow.
The outer Ha regions were a killer, even after 14 hrs exposure there's still a touch of noise there, but it's time to move this one along.
Anyway, thanks for looking, comments welcome :)



Andys Astro
License: None (All rights reserved)

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The Jewel of the Nile  - M42 NB, 


            Andys Astro