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Contains:  IC 1871, IC 1848
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Soul Nebula - 42 hour Mosaic in SHO

Technical card

Resolution: 4407x3235

Dates:Jan. 11, 2018

Astrodon Ha 5nm: 42x1200" bin 1x1
Astrodon OIII 5nm: 42x1200" bin 1x1
Astrodon SII 5nm: 42x1200" bin 1x1

Integration: 42.0 hours

Avg. Moon age: 24.53 days

Avg. Moon phase: 25.77% job: 1904476

RA center: 43.744 degrees

DEC center: 60.443 degrees

Pixel scale: 2.095 arcsec/pixel

Orientation: 180.455 degrees

Field radius: 1.590 degrees

Locations: E-EyE, Fregenal de la Sierra, Extremadura, Spain


The Soul nebula is such a large object that we could not fit it easily within a single frame of our remote Tak 106/QSI 683 'widefield' rig located at the e-EyE facility in Extremadura, Spain. As such, this is a two-panel mosaic consisiting of 21 x 1200s each of SII, Ha and OIII per panel - a total of 42 hours. Data were captured between 19 November 2017 and 11 January 2018.

The Soul Nebula is a star forming region located 6,500 light years away in the constellation of Cassiopeia. It is 100 light years across and contains several open clusters.

SII: 42 x 1200s
Ha: 42 x 1200s
OIII: 42 x 1200s

A total of 42 hours.

Data capture: Steve Milne & Barry Wilson
Image processing: Steve Milne



Steve Milne
License: None (All rights reserved)



This version preserves some of the fainter nebulosity at the margins.


I went a little bolder. I am going to lie down for a bit now...

Sky plot

Sky plot


Soul Nebula - 42 hour Mosaic in SHO, 


            Steve Milne

In these public groups

Entre Encinas y Estrellas (e-EyE)