Sky Tonight

Santa Clara, US
37.4°/-122°
GMT -9

⌕

☾

Sky-Tonight.com / Nebulae and Deep-Sky Objects / M15

M15 Position and Visibility Tonight

Where is M15 right now?

M15 is located in the constellation Pegasus. It is currently above the horizon at an altitude of 62° toward the south-east, with an apparent magnitude of 6.30.
Twilight begins at 18:58 local time. At that moment, M15 will be 62° above the horizon toward the south-east.

Open the interactive guide to M15’s position and path tonight

M15 visibility on 2026-10-03

M15 Visible from sunset until early morning

M15 rise and set timetable

	Time	Elevation
M15 rise	13:13
Sunset	16:47	42°
Civil sunset	17:15	47°
Twilight start (−12°)	17:45	52°
Astronomical observing session begins	18:15	57°
M15 transit	19:50	65°
Moonrise, 56.5% illuminated	21:14	59°
M15 set	02:26
Astronomical observing session ends	03:38	-13°
Moonset	12:53	-3°

Track M15 position throughout the night

← 3 October 2026 →

Time
Altitude
Azimuth

Shift the map to change the time and observe M15 changing position in the night sky.

M15 - Pegasus Cluster

The Pegasus Cluster (M15) is a globular cluster located in the constellation Pegasus. It was discovered by Jean-Dominique Maraldi in 1746 and included in Messier's catalog in 1764. M15 is one of the most densely packed globular clusters known.

M15 spans about 175 light-years across and contains over 100,000 stars. The cluster is approximately 33,600 light-years away from Earth and has an apparent magnitude of 6.2, making it visible with binoculars or a small telescope.

M15 — Image Gallery

DSS Blue

Blue images highlight younger, hotter stars that emit strongly at blue wavelengths.

DSS Red

Red images reveal older, cooler stars and emission nebulae glowing strongly in hydrogen-alpha light.

DSS Near-Infrared

Near-infrared images penetrate dust that obscures visible light and reveal hidden structures.

DSS Composite Image

DSS color images combine blue, red and often near-infrared exposures into a composite view.

The images come from the Digitized Sky Survey 2 (DSS2), produced at the Space Telescope Science Institute (STScI) under contract with NASA, using data from UK Science and Technology Facilities Council (STFC), European Southern Observatory (ESO), National Geographic Society-Palomar Observatory Sky Survey (POSS II).

Special thanks to National Optical Astronomy Observatory (NOAO), Royal Observatory, Edinburgh, California Institute of Technology for their significant contributions.

Finder Chart for M15

Open the step-by-step guide Open the full sky map

M15 Passage Through Night

Double-click to unlock the map.

Current position of M15

Time	18:58
Latitude	37.3541
Longitude	-121.955
Elevation	62°
Azimuth	152°

Here you can see the current position of M15 on the map, as well as its positions for rise and set. This tool lets you track its movement throughout the night with accurate, up-to-date information.

When Is M15 Visible Throughout the Year?

M15 will remain visible until January 14, when it moves too close to the Sun and temporarily disappears from the night sky.

Date	Sun, 4 October 2026
Astronomical observing session begins	18:13
Astronomical observing session ends	03:36
Astronomical observing duration	9h 23m
Rise	13:09
Set	02:23
Elevation at transit	65°
Transit time	19:46
Equatorial coordinates	RA: 21h 29m 58s", Dec: 12° 10' 00s
Magnitude	6
Constellation	Pegasus

The graph illustrates the annual visibility pattern of M15, including its daily appearances and transit times. The vertical axis shows the hours of the day and the horizontal axis spans the year. The reddish area marks when the object is above the horizon, while the white line marks its daily transit.
You can also see when M15 is visible throughout the year in a table with exact rise, transit, and set times for each date.

Astrometric and Physical Parameters of M15

Coordinates and Visibility

Right Ascension	21h 29m 58s
Declination	12° 10′ 01″
Magnitude	6.3
Constellation	Pegasus
Elevation	62.3°
Azimuth	151.9°

Data Credits

The deep-sky information on this page comes from the OpenNGC project developed by Matteo Verga. OpenNGC provides detailed catalog data for nebulae, galaxies, clusters and other deep-sky objects.

For details or contributions, visit the official repository: OpenNGC GitHub.

Observation Settings