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Ephemeris Calculator
Compute ephemerides ofof comet C/2021 T4 (Lemmon)
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Where is Comet C/2021 T4 (Lemmon)?
Below the horizon.
Rise: 7:47 | Tran: 16:13 | Set: 0:38
Alt: -9.90°
Az: 22.22°
Direction: North-North-East
Comet C/2021 T4 (Lemmon) is currently in the constellation of Leo Minor. Right now, from Greenwich, UK (change location), C/2021 T4 (Lemmon) is not visible because it is below the horizon. You can check the rise and set times of comet C/2021 T4 (Lemmon) to know exactly when it will be visible from your location.
The current apparent celestial coordinates of comet C/2021 T4 (Lemmon), useful for pointing an equatorial telescope, the hour angle, and the sidereal time are provided in the table below:
Star map showing the position of comet C/2021 T4 (Lemmon) in the constellation of Leo Minor on July, 17 2025
Field of view: 50x30 degrees
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Field of view: 50x30 degrees
View fullscreen
Additional Resources on TheSkyLive
- Comet C/2021 T4 (Lemmon): Complete reference information on TheSkyLive.com.
- Where is comet C/2021 T4 (Lemmon)?: Key information on where to find comet C/2021 T4 (Lemmon) in the sky.
- Distance of comet C/2021 T4 (Lemmon) from Earth: Find out how far comet C/2021 T4 (Lemmon) is from Earth right now.
- How Bright is comet C/2021 T4 (Lemmon)?: Current visual brightness (magnitude) and apparent size.
- Rise and Set Times: Rise and set times of comet C/2021 T4 (Lemmon) from your location.
- Interactive Sky Map: Planetarium-style interactive visualization of comet C/2021 T4 (Lemmon)'s position in the sky.
- Live Position Tracker: High precision real time tracker of comet C/2021 T4 (Lemmon)'s position using deep space imagery.
- Ephemeris: 15 days comet C/2021 T4 (Lemmon)'s computed ephemeris.