77P/Longmore live position and data

This page shows Comet 77P/Longmore location and other relevant astronomical data in real time. The celestial coordinates, magnitude, distances and speed are updated in real time and are computed using high quality data sets provided by the JPL Horizons ephemeris service (see acknowledgements for details). The sky map shown below represents a rectangular portion of the sky 60x40 arcminutes wide. By comparison the diameter of the full Moon is about 30 arcmins, so the full horizontal extent of the map is approximately 2 full Moons wide. Depending on the device you are using, the map can be dragged horizondally or vertically using the mouse or touchscreen. The deep sky image in the background is provided by the Digitized Sky Survey (acknowledgements).

Current close conjunctions

List of bright objects (stars brighter than magnitude 9.0 and galaxies brighter than magmitude 14.0) close to Comet 77P/Longmore (less than 1.5 degrees):

Type	Name	Magnitude	Ar	Dec
Star	HIP 20633	8.1768	04h 25m 19s	+39° 03’ 09”
Star	HIP 21017	7.8622	04h 30m 24s	+39° 52’ 26”
Star	HIP 21352	8.9002	04h 34m 53s	+39° 08’ 30”
Star	HIP 20962	8.4524	04h 29m 41s	+38° 47’ 49”
Star	HIP 20395	6.9912	04h 22m 00s	+39° 56’ 03”
Star	HIP 21376	8.2312	04h 35m 13s	+38° 53’ 27”
Star	HIP 21111	8.5188	04h 31m 27s	+38° 44’ 11”
Star	HIP 21234	8.7204	04h 33m 17s	+40° 30’ 42”
Star	HIP 21405	8.2262	04h 35m 41s	+39° 44’ 04”
Star	HIP 21052	7.7582	04h 30m 46s	+40° 08’ 47”
Star	HIP 21178	8.812	04h 32m 25s	+38° 48’ 35”
Star	HIP 20983	8.8426	04h 30m 00s	+39° 50’ 11”
Star	HIP 20775	8.226	04h 27m 02s	+40° 17’ 55”
Star	HIP 21108	6.2382	04h 31m 24s	+40° 00’ 36”

Additional resources

Additional Resources about Comet 77P/Longmore

• 15 Days Ephemerides
• Interactive Sky Map (Planetarium)
• Rise & Set Times
• Distance from Earth
• Light Curve
• Orbital Elements

Astronomy databases

This online sky chart is created using the following astronomy databases and services:

1. The Digitized Sky Survey, a photographic survey of the whole sky created using images from different telescopes, including the Oschin Schmidt Telescope on Palomar Mountain
2. The Hipparcos Star Catalogue, containing more than 100.000 bright stars
3. The PGC 2003 Catalogue, containing information about 1 million galaxies
4. The GSC 2.3 Catalogue, containing information about more than 2 billion stars and galaxies

Please see the acknowledgements section.

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