Live Observation SimulatorExperience what 3I/ATLAS looks like through different telescopes under various conditions
Telescope View SimulatorLive ModeZoomRA: 08h 32m 15sDec: +18° 12' 45"Mag: 13.8 (fading)63xDec 31, 2025Telescope Size8-inch (200mm)10-inch (250mm)12-inch (300mm)16-inch (400mm)Eyepiece25mm (48x)15mm (80x)10mm (120x)FilterNoneUHCO-IIILight PollutionConditionsExcellent (Bortle 2)Good (Bortle 4)Fair (Bortle 6)Visibility ChanceExcellentTonight's Observing Conditions15%Cloud CoverClear12°CTemperatureGood5km/hWind SpeedCalm4/5SeeingExcellentComet fading - challenging but still observable3I/ATLAS is now magnitude 13.8 and fading. Requires 8-inch+ telescope and dark skies. Best observed before mid-January 2026.
Current PositionCancerThe Crab Constellation
RA: 08h 32m | Dec: +18° 13'Altitude Tonight52°Maximum at 01:00 AM
Rises 22:30 | Sets 05:45Current StatusMag 13.8Fading but observable
2.4 AU from Sun | 2.1 AU from Earth