RS Oph
Showpiece (78/100)
HR 9129
VariableStar
Ophiuchus
(Oph)
Visible
Level 1
Naked eye / Binoculars - Monitor brightness changes
Physical Properties
Magnitude
4.30
Range
4.3 - 12.5
Period
454 days
Variable Type
Recurrent Nova
Spectral Type
Peculiar
Position & Identifiers
Visibility
Set a location in User Settings to see visibility data.
Light Curve
Comparison Stars for RS Oph (4.3–12.5)
Nearby stable stars for estimating brightness (AAVSO)
Loading comparison stars…
Compare Stars
Stellar Lifecycle
Spectral Classification
Blackbody Spectrum
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
Stellar Fusion
Stellar Notes
Recurrent Nova; Recurrent nova; Last eruption 2021
Survey Image
Loading survey image…