Anchorage.
The definitive guide to dark skies and celestial observation in Anchorage, AK. Verified using National Park Service and NASA Night Sky Network Clubs data.
Quick Guide for Anchorage
- Top Community Pick: local vantage points (~N/A miles)
- Best Scientific Reading: Bortle 2.0 at Tokosha Mtns Peak 5109
- Local Experts: Whatcom Association of Celestial Observers
- Verified Observations: 0 distinct spots
Searching for a clear window into the cosmos near Anchorage, AK? While enthusiasts often gather at local vantage points for its accessibility, scientific audits conducted by the National Park Service at Tokosha Mtns Peak 5109 provide the most accurate reading of the regional sky quality, measuring at a Bortle 2.0. Atmospheric stability in the Anchorage region is often influenced by local topography, which can help settle the air for high-magnification viewing.
The Best Times for Stargazing in Anchorage
For the best results in Anchorage, aim for a ‘New Moon’ window. In these dark-sky conditions, the absence of moonlight allows the Milky Way to cast visible shadows.
Expert Tips for Anchorage Observers
Before heading out to local vantage points, we recommend arriving during civil twilight to scout the terrain safely. Binoculars are a favorite for regulars here for sweeping views of the Moon’s craters and larger constellations. Local enthusiasts often frequent this spot, making it a great place to meet experienced observers. Regardless of your gear, allow 30 minutes for your eyes to fully dark-adapt.
Alaska Guide
Local Top Spots
Community-vetted locations known for clear horizons and accessibility for telescopes and astrophotography.
NPS Sky Measurements
Instrumented readings from the National Park Service Night Sky Program, providing the most accurate SQM and Bortle classifications.
Tokosha Mtns Peak 5109
Denali NP&P
"Site at summit of Peak 5109 Tokosha Mtns. At 11PM many clouds present, lights from Trapper Creek? direct glare, couple dozen pretty bright lights, aircraft beacon from Talkeetna, small light dome 4 degrees wide and high, presumably Anchorage Wasilla, easy to see but much dimmer than Jupiter, integrated mag 1st or 2nd, nothing serious. 1st set 30% clouds at start. Excellent sky overhead, Cygnus star cloud very detailed as is northern Coal Sack. At 2 AM sky is relatively free of clouds, Milky Way is straight across the sky east to west at this latitude, airglow blob and small auroras to northeast at Gemini, clouds along the horizon over Alaska Range, east, and stratocumulus over Achorage. 4th set best. Seeing fair, transparency good but moisture in the air to south and east, Bortle Class 2, ZLM 6.6 easily but seeing interferes with long observations. Light dome of Anchorage 6-8 degrees wide, 6 degrees tall, 10-12 degrees left of Anchorage a very faint light dome, very distant."
Telaquana Lake
Lake Clark NP&P
"This is the second consecutive night at this site on the frozen surface of Telaquana Lake about 150 yds out from the ranger cabin on the shoreline. The first night the clouds would not clear and the NexStar mouhnt seemed to freeze up (perhaps the gear grease cannot handle the cold temps) after the first set. This second night the skies cleared nicely with only a few clouds to the west. the temps also dropped significantly, with a low of -8° F by early morning. There is absolutely no artificial light anywhere within 50+ miles of this site. Was hoping to see if Anchorage light dome would be visible 150 miles away, but found out city was under clouds and snowfall. Comet Panstarrs was visible next to M31 with the naked eye. Great difficulty in functioning in the sub-zero temps on the frozen lake surface. Northpoint script would not complete until at least the 7th try! All wires were frozen stiff and the GPS, Kestrel, and laser pointer all had trouble working in the cold (needed to remove and warm betteries). Too cold to spend much time observing night sky as I needed to keep moving. Milky Way not visible until later in the night. After 2nd set, the motor on the NexStar would not slew properly. Allignment of images from that point on were way off, though script collected all the way through. Even with the absolute absence of anthropogenic light, the details in the sky were not as visible as some sights in the southwest US. There is likely a high reflectance of star light off the frozen lake and surrounding snow covered landscape that is mixing with the frozen atmosphere to inhibit crystal clear sky viewing and increasing extinction values."
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