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Contains:  IC 2574
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Coddington's Nebula IC 2574 In Ursa Major LRGB., 



    
        

            Pat Rodgers
Coddington's Nebula IC 2574 In Ursa Major LRGB.
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Coddington's Nebula IC 2574 In Ursa Major LRGB.

Technical card


Dates:Dec. 10, 2018

Frames:
Baader B 1.25'' CCD Filter: 9x600" -15C bin 1x1
Baader G 1.25'' CCD Filter: 9x600" -15C bin 1x1
Baader UV/IR Cut Filter L 1.25'' CCD Filter: 12x600" -15C bin 1x1
Baader R 1.25'' CCD Filter: 9x600" -15C bin 1x1

Integration: 6.5 hours

Darks: ~29

Flats: ~31

Bias: ~149

Avg. Moon age: 2.95 days

Avg. Moon phase: 9.50%

Bortle Dark-Sky Scale: 6.00

Temperature: 4.00


Basic astrometry details

Astrometry.net job: 2414434

RA center: 10h 28' 25"

DEC center: +68° 24' 32"

Pixel scale: 1.328 arcsec/pixel

Orientation: 287.581 degrees

Field radius: 0.311 degrees


Resolution: 1361x993

Locations: Un-stable Observatory, back garden., Huddersfield, West Yorkshire, United Kingdom

Data source: Backyard

Description

Edwin Coddington discovered his Nebula in 1898. Of course later it was found to be a galaxy outside our own. A dwarf spiral which is diffuse and contains more nothing than substance. It's part of the M81 group and has had some interaction in the past which has rekindled a little star formation clouds where the brighter blue bits are. If I had some Ha data it's visible in the blue clumps.
Subs were gathered over multiple nights in November and December when the weather allowed. The last were on the 10th of Dec, so this is the last image from the 200p. The TS is on the pier just needs some more room for back focus.

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Pat_Rodgers
Pat Rodgers
License: None (All rights reserved)
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Coddington's Nebula IC 2574 In Ursa Major LRGB., 



    
        

            Pat Rodgers

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UK Astro-Imaging