Murrieta Stargazing & Astronomy Report
Light pollution and stargazing locations near Murrieta
- City
- Murrieta
- Country
- United States
- Latitude
- 33.5539
- Longitude
- -117.2139
Key Sky Quality Metrics
- SQM (mag/arcsec²)
- 18.94
- Bortle class
- Class 7 (Class 7)
- Darkness Quotient
- 32%
- Dataset
- April 2026
Suburban/urban transition
Murrieta: The Practical Verdict
Murrieta is a poor urban/suburban sky for astronomy. The Milky Way is not realistically visible from this level of light pollution.
Realistic targets include Moon, planets, bright double stars, bright open clusters, narrowband imaging with careful processing. With care, bright nebulae in narrowband and globular cluster cores are also accessible.
For darker conditions: Los Angeles County, California, about 139 km west south west, is the strongest nearby option (Bortle 3).
At a Glance
- Overall
- Poor urban/suburban sky - This is a poor sky for astronomy. The Moon, planets, and a few bright objects remain viable, but deep-sky work is difficult.
- Milky Way
- Not visible - The Milky Way is not realistically visible from this level of light pollution.
- Best targets from here
- Moon, planets, bright double stars, bright open clusters, narrowband imaging with careful processing
- Do not prioritise
- visual deep-sky observing, broadband galaxies, reflection nebulae, Milky Way photography
- Best nearby upgrade
- Los Angeles County, California sits about 139 km west south west and reaches Bortle 3, roughly 11x darker.
- Good dark window
- Murrieta's longest dark windows fall in December and January, with the shortest nights around June and July. Plan deep-sky sessions around the autumn and winter months for the best combination of long nights and true astronomical darkness.
Frequently Asked Questions
Can you see the Milky Way from Murrieta?
No. Murrieta is a Bortle Class 7 sky with SQM 18.94, so the Milky Way is not visible from the city. For Milky Way photography, look for a Bortle 4 or darker site.
What Bortle class is Murrieta?
Murrieta is Bortle Class 7 (SQM 18.94), a poor urban/suburban sky for astronomy.
Is Murrieta good for stargazing?
Not for serious deep-sky observing. Murrieta is a poor urban/suburban sky where the Moon, planets, and a handful of bright targets are the realistic options from the city itself.
Is Murrieta good for astrophotography?
Broadband deep-sky imaging is heavily compromised from Murrieta and a Bortle 4 or darker site is strongly recommended. Narrowband imaging of bright emission nebulae remains viable from Murrieta with appropriate Ha or OIII filters.
What can you observe from Murrieta?
Primary targets from Murrieta include Moon, planets, bright double stars, bright open clusters, narrowband imaging with careful processing. Targets such as visual deep-sky observing, broadband galaxies, reflection nebulae are not realistic from this sky.
Where are darker skies near Murrieta?
The closest meaningfully darker mapped site is San Diego County, California, about 20 km south west of Murrieta, reaching Bortle 5.
When is the sky darkest in Murrieta?
The sky over Murrieta is darkest around January, December.
Is light pollution in Murrieta getting better or worse?
Long-term light pollution over Murrieta has been broadly stable across the available measurements.
north - fair
The north horizon is mostly dark with a hint of light pollution. Faint stars are accessible above about 10 degrees.
north-north-east - fair
A small artificial brightening near the north-north-east horizon. Star counts in this direction remain high above the lowest elevations.
north-east - fair
A small artificial brightening near the north-east horizon. Star counts in this direction remain high above the lowest elevations.
east-north-east - good
Clean horizon to the east-north-east. Star counts remain high near the ground.
east - good
The east horizon is free of artificial brightening. Faint stars are visible to within a few degrees of the ground.
east-south-east - fair
A small artificial brightening near the east-south-east horizon. Star counts in this direction remain high above the lowest elevations.
south-east - fair
Subtle skyglow on the south-east horizon. Faint stars below about 10 degrees here are slightly suppressed.
south-south-east - good
Clean horizon to the south-south-east. Star counts remain high near the ground.
south - good
Clean, dark sky to the south. No visible artificial light source affects this quarter.
south-south-west - good
The south-south-west horizon is free of artificial brightening. Faint stars are visible to within a few degrees of the ground.
south-west - good
The south-west sky shows no obvious glow at ground level. Faint stars are clear at low elevation.
west-south-west - good
The west-south-west horizon is free of artificial brightening. Faint stars are visible to within a few degrees of the ground.
west - good
The west sky shows no obvious glow at ground level. Faint stars are clear at low elevation.
west-north-west - good
Clean, dark sky to the west-north-west. No visible artificial light source affects this quarter.
north-west - fair
The north-west horizon shows a slight brightening. Workable for most targets above about 10 degrees elevation.
north-north-west - fair
The north-north-west horizon shows a slight brightening. Workable for most targets above about 10 degrees elevation.
zenith - marginal
Strong skyglow overhead. The Milky Way is not visible and faint stars are largely absent.
-
San Diego County, California
- Direction
- SW
- Distance (km)
- 20.3
- SQM
- 20.31
- Bortle
- 5
-
51800, California
- Direction
- E
- Distance (km)
- 41.8
- SQM
- 20.21
- Bortle
- 6
-
California Riding & Hiking Trail, California
- Direction
- ESE
- Distance (km)
- 79.6
- SQM
- 21.14
- Bortle
- 4
-
North Main Divide Road, California
- Direction
- WNW
- Distance (km)
- 24.8
- SQM
- 19.65
- Bortle
- 6
-
San Diego County, California
- Direction
- SSE
- Distance (km)
- 49.6
- SQM
- 19.99
- Bortle
- 6
-
Los Angeles County, California
- Direction
- WSW
- Distance (km)
- 138.7
- SQM
- 21.58
- Bortle
- 3