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Contains:  Christmas Tree cluster, Cone nebula, NGC 2264, The star 15Mon
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Cone nebula, 



    
        

            Simon
Cone nebula
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Cone nebula

Technical card


Basic astrometry details

Astrometry.net job: 3215435

RA center: 6h 40' 58"

DEC center: +9° 53' 56"

Pixel scale: 1.856 arcsec/pixel

Orientation: 1.201 degrees

Field radius: 1.056 degrees


Resolution: 3263x2477

Data source: Amateur hosting facility

Remote source: e-EyE Extremadura

Description

A reprocess of some old data from the southern Spain scope, a f/3 RC 8". The scope took 38 in Ha, at 5 minutes in length each, 30 in L at 5 minutes in length each, and 19 subs in R, G and B all at 5 minutes in length. Integration time was almost 10.5 hours. The most irritating thing is the massive halo round the star near the centre. I have tried everything to remove it, wavelets, star reduction before stretching etc... oh well. Thanks everyone...

Comments

Author

downingsimon
Simon
License: None (All rights reserved)
550
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Cone nebula, 



    
        

            Simon