Ephemeris Calculator

Compute Comet 77P/Longmore ephemerides

Time: : UTC

Where is Comet 77P/Longmore?

Below the horizon. Rise: 2:22 | Tran: 8:08 | Set: 13:54

Alt: -1.39° Az: 92.21° Direction: East

Comet 77P/Longmore is currently in the constellation of Cetus. The current Right Ascension is 00h 51m 22s and the Declination is -02° 27’ 42”.

Right now, from Greenwich, UK [Change Location], Comet 77P/Longmore is not visible because it is below the horizon. You can check Comet 77P/Longmore Rise and Set Times to know when Comet 77P/Longmore will rise from your location.

Apparent coordinates:

Right Ascension 00h 51m 22s

Declination -02° 27’ 42”

Hour Angle 18h 03m 28s

Sidereal Time 18h 54m 50s

Map showing Comet 77P/Longmore in Cetus on June, 17 2025
Field of view: 50x30 degrees
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Comet 77P/Longmore: Complete reference information on TheSkyLive.com.
Where is Comet 77P/Longmore?: Key information on where to find Comet 77P/Longmore in the sky.
Distance from Earth: Find out how far Comet 77P/Longmore is from Earth right now.
How Bright is Comet 77P/Longmore?: Current visual brightness (magnitude) and apparent size.
Rise and Set Times: Rise and set times of Comet 77P/Longmore from your location.
Interactive Sky Map: Planetarium-style interactive visualization of Comet 77P/Longmore's position in the sky.
Live Position Tracker: High precision position tracker with deep space imagery.
Ephemeris: 15 days Comet 77P/Longmore's computed ephemeris.