Celestial hemisphere:  Southern  ·  Constellation: Ophiuchus (Oph)
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RS-Ophiuchus Nova  Green Ejection Ring Time Lapse 10-11-13-14-15-21-AUg 2021, Ian Parr
RS-Ophiuchus Nova  Green Ejection Ring Time Lapse 10-11-13-14-15-21-AUg 2021
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RS-Ophiuchus Nova Green Ejection Ring Time Lapse 10-11-13-14-15-21-AUg 2021

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RS-Ophiuchus Nova  Green Ejection Ring Time Lapse 10-11-13-14-15-21-AUg 2021, Ian Parr
RS-Ophiuchus Nova  Green Ejection Ring Time Lapse 10-11-13-14-15-21-AUg 2021
Powered byPixInsight

RS-Ophiuchus Nova Green Ejection Ring Time Lapse 10-11-13-14-15-21-AUg 2021

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Description

Here is the fading of the ejection ring around the RS Ophiuchus Nova on 10,11,13,14,15 and finally 21 August as a GIF animationI had other nights too but conditions were not always good enough.At first I thought it was a reflection issue off the extra Petzval objective but the ring stayed constant even when I moved the Nova a half frame off and the time lapse confirms this is the ejection ring and it is green per the simulations I have seen.
The first two nights were only 60 seconds subs and then it was all 180 seconds.

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Sky plot