Glendale Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

17.52

Bortle class

Class 9 (Class 9)

Darkness Quotient

19%

Dataset

May 2026

Inner city sky

Glendale: The Practical Verdict

Glendale, a small city in California, struggles under the typical glow of suburban sky conditions exacerbated by its proximity to Los Angeles only 10 km to the south. The severe urban sky renders most deep space exploration fruitless, categorised by extreme light pollution.

In such a sky, pursuits should focus on the Moon, planets, and bright stars. While double stars and solar system events remain within reach, deep-sky observing is not worthwhile. Narrowband imaging may still be pursued with some caution, as the Milky Way is entirely obscured and faint targets vanish against the illuminated backdrop.

For the dedicated stargazer, Ventura County offers an alluring upgrade at around 155 km to the south-west. With a significantly darker sky, deemed Bortle 2, this site is well worth considering for deep-sky observers willing to make a longer drive.

At a Glance

Overall

Severe urban sky - This is a severely light-polluted urban sky. Only the Moon, planets, bright stars, and a few specialist targets remain practical.

Milky Way

Not visible - The Milky Way is not visible from this sky.

Best targets from here

Moon, planets, bright stars, double stars, solar system events, narrowband imaging only with care

Do not prioritise

visual deep-sky observing, broadband galaxies, reflection nebulae, widefield Milky Way

Best nearby upgrade

Ventura County, California sits about 155 km south west and reaches Bortle 2, roughly 48x darker.

Good dark window

Glendale'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 Glendale?

No. Glendale is a Bortle Class 9 sky with SQM 17.52, 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 Glendale?

Glendale is Bortle Class 9 (SQM 17.52), a severe urban sky for astronomy.

Is Glendale good for stargazing?

Not for serious deep-sky observing. Glendale is a severe urban sky where the Moon, planets, and a handful of bright targets are the realistic options from the city itself.

Is Glendale good for astrophotography?

Broadband deep-sky imaging is heavily compromised from Glendale and a Bortle 4 or darker site is strongly recommended. Even narrowband imaging is difficult from Glendale without careful processing.

What can you observe from Glendale?

Primary targets from Glendale include Moon, planets, bright stars, double stars, solar system events. Targets such as visual deep-sky observing, broadband galaxies, reflection nebulae are not realistic from this sky.

Where are darker skies near Glendale?

The closest meaningfully darker mapped site is Liebre Mountain Road, California, about 71 km north north west of Glendale, reaching Bortle 6.

When is the sky darkest in Glendale?

The sky over Glendale is darkest around January, December.

Is light pollution in Glendale getting better or worse?

Long-term light pollution over Glendale has been broadly stable across the available measurements.

• El Rancho Escondido, California

  Direction

  SSW

  Distance (km)

  86.1

  SQM

  20.83

  Bortle

  4

• Liebre Mountain Road, California

  Direction

  NNW

  Distance (km)

  70.7

  SQM

  19.85

  Bortle

  6

• Los Angeles County, California

  Direction

  S

  Distance (km)

  142.5

  SQM

  21.65

  Bortle

  3

• Christi Ranch, California

  Direction

  W

  Distance (km)

  150.7

  SQM

  21.62

  Bortle

  3

• Ventura County, California

  Direction

  SW

  Distance (km)

  155

  SQM

  21.72

  Bortle

  2

• San Bernardino County, California

  Direction

  NE

  Distance (km)

  239.5

  SQM

  20.78

  Bortle

  5