Observation by Robin Leadbeater: An unusually quiet SU UMa
Uploaded by
Robin Leadbeater
Observer
Robin Leadbeater
Observed
2020 May 03 - 22:19
Uploaded
2020 May 05 - 13:18
Equipment
- ALPY 600 Spectrograph
- ATIK 428 camera
- Celestron C11
Exposure
9x600 sec
Location
Wigton Cumbria
Target name
SU UMa
Title
An unusually quiet SU UMa
About this image
The archetype super outbursting Dwarf Nova SU UMa has been unusually quiet recently with no recorded outbursts (normal or super) in the past 80 days. This low resolution R~500 spectrum shows the system in quiescence at Vmag ~14.7 with strong emission lines of H and He I
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