In Evidence

Detailed information about the discovery of Comet C/2025 J1 (Borisov) and pointers to useful resources to track and observe it. Read more...

Ephemeris Calculator

Compute Comet C/2012 S1 (ISON) ephemerides

Time: : UTC

Below the horizon. Rise: 5:48 | Tran: 16:29 | Set: 3:15

Alt: -0.81° Az: 10.03° Direction: North

Comet C/2012 S1 (ISON) is currently in the constellation of Auriga. The current Right Ascension is 07h 20m 07s and the Declination is +37° 01’ 12”.

Right now, from Greenwich, UK [Change Location], Comet C/2012 S1 (ISON) is not visible because it is below the horizon. You can check Comet C/2012 S1 (ISON) Rise and Set Times to know when Comet C/2012 S1 (ISON) will rise from your location.

Apparent coordinates:

Right Ascension 07h 20m 07s

Declination +37° 01’ 12”

Hour Angle 12h 50m 23s

Sidereal Time 20h 10m 30s

Map showing Comet C/2012 S1 (ISON) in Auriga on May, 19 2025
Field of view: 50x30 degrees
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Comet C/2012 S1 (ISON): Complete reference information on TheSkyLive.com
Where is Comet C/2012 S1 (ISON)?: Key information on locating Comet C/2012 S1 (ISON) in the sky.
Distance from Earth: Find out how far Comet C/2012 S1 (ISON) is from Earth right now.
How Bright is Comet C/2012 S1 (ISON)?: Current visual brightness (magnitude) and apparent size.
Rise and Set Times: Comet C/2012 S1 (ISON)'s rise and set times from your location.
Interactive Sky Map: planetarium-style interactive visualization of Comet C/2012 S1 (ISON)'s position in the sky.
Live Position Tracker: high precision position tracker with deep space imagery.
Ephemeris: 15 days Comet C/2012 S1 (ISON)'s computed ephemeris.