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4 July 2018 at 9:56 pm
#579689
![](https://britastro.org/wp-content/uploads/2018/11/picture-219-1541235408-80x80.jpg)
Participant
The spectrum has changed a lot from June 30 to July 2 and then relatively little from July 2 to July 3. H-alpha emission is growing.
David