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Monoceros SN remnant

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About this observation
Observer
Tim Haymes
Time of observation
19/01/2018 - 01:28
Object
Rosette and Cone Neb with intervening gaseous remnant
Observing location
Nr Knowl Hill, Berks
Equipment
Canon 60Da iso1600
AstronomiK CLS filter
200mm F2.8 Lens @ F4
EQ6
Exposure
4 x 2min
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The reference (see below) indicated the area North of the Rosette contained a supernova remnant.  I obtained this image which contains a roughly circular but faint H-II region between the Rosette and Cone Nebula.  The paper discussing this object has deep images which seems to confirm my detection. The original images in 1977 were in a 1.5 Hr exposure.  Transparency here was good with SQM-L 20.2 (Zenith).

Processing was with DSS, and the FITS image adjusted in AstroArt5, with final stretch in PS CS2.

http://adsbit.harvard.edu//full/1978A%26AS...31..271D/0000271.000.html

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