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Milky Way in Alaska

Core season, new moons and the darkest locations

At Alaska's latitude the Milky Way core stays low or the nights are too bright. The tables below still help you plan winter Milky Way and star-trail shots.

Core season
Limited
Best month
—
0 h window
Max core altitude
-1°
above southern horizon
Dark locations
651
Bortle 1–3 (est.)

Milky Way core visibility in Alaska by month

MonthCore visible (15th)HoursMax altitudeDirection
January——-11°—
February——-5°—
March——-3°—
April——-5°—
May————
June————
July————
August——-1°—
September——-5°—
October——-6°—
November——-11°—
December——-21°—

Computed for central Alaska (59.44, -148.8) — core at least 10° high during astronomical darkness. Northern parts of the state see it lower and for less time.

Next new moons (darkest nights)

DateTimeMilky Way
Sun, Nov 08, 202610:02 PMCore below horizon at night
Tue, Dec 08, 20263:52 PMCore below horizon at night
Thu, Jan 07, 202711:24 AMCore below horizon at night
Sat, Feb 06, 20276:56 AMCore below horizon at night
Mon, Mar 08, 202712:29 AMCore below horizon at night
Tue, Apr 06, 20273:51 PMCore below horizon at night
Thu, May 06, 20272:58 AMCore below horizon at night
Fri, Jun 04, 202711:40 AMCore below horizon at night
Sat, Jul 03, 20277:02 PMCore below horizon at night
Mon, Aug 02, 20272:05 AMCore below horizon at night
Tue, Aug 31, 20279:41 AMCore below horizon at night
Wed, Sep 29, 20276:36 PMCore below horizon at night
Fri, Oct 29, 20275:36 AMCore below horizon at night

New moon times from the U.S. Naval Observatory, converted to local time. The 3–4 nights either side are also dark in the evening or morning.

Darkest photo locations in Alaska

LocationTypeCountyEst. BortleZenith mag/arcsec²
Denali State ParkState ParkMatanuska-Susitna Borough121.94
Wood-Tikchik State ParkState ParkDillingham Census Area121.95
Kachemak Bay State ParkState ParkKenai Peninsula Borough121.92
Afognak Island State ParkState ParkKodiak Island Borough121.95
Alaska Chilkat Bald Eagle PreserveState ParkHaines Borough121.95
Chena River State Recreation AreaState ParkFairbanks North Star Borough121.92
Tern LakeScenic ViewpointKenai Peninsula Borough221.88
Gobblers KnobScenic ViewpointYukon-Koyukuk Census Area121.95
Hess Creek OverlookScenic ViewpointYukon-Koyukuk Census Area121.94
Copper River ViewpointScenic ViewpointCopper River Census Area121.95
Edgerton OverlookScenic ViewpointCopper River Census Area121.95
Worthington Glacier ViewpointScenic ViewpointChugach Census Area121.94
Denali ViewpointScenic ViewpointDenali Borough121.94
Exit Glacier ViewpointScenic ViewpointKenai Peninsula Borough221.87
Kevita Pond ViewpointScenic ViewpointMatanuska-Susitna Borough121.95
Observation PointScenic ViewpointDillingham Census Area121.95
Igloo CityScenic ViewpointMatanuska-Susitna Borough121.94
Denali View SouthScenic ViewpointMatanuska-Susitna Borough121.93
Heitman MountainScenic ViewpointKodiak Island Borough221.88
Heitman PeakScenic ViewpointKodiak Island Borough221.86

Sky brightness is modeled from nearby town populations (Walker's law); terrain, altitude and local lighting can make real skies better or worse.

Starting exposure for sharp stars (NPF rule)

SensorLensApertureNPF max shutter500 rule
Full frame (35 mm)14 mmf/2.819.6 s36 s
Full frame (35 mm)20 mmf/2.813.8 s25 s
Full frame (35 mm)24 mmf/2.811.5 s21 s
APS-C (Nikon, Sony, Fujifilm, Pentax)14 mmf/2.815.4 s23 s
APS-C (Nikon, Sony, Fujifilm, Pentax)20 mmf/2.810.8 s16 s
APS-C (Nikon, Sony, Fujifilm, Pentax)24 mmf/2.89.0 s14 s
Micro Four Thirds14 mmf/2.814.1 s18 s
Micro Four Thirds20 mmf/2.89.8 s12 s
Micro Four Thirds24 mmf/2.88.2 s10 s

NPF = (35 × f-number + 30 × pixel pitch) ÷ focal length, using typical pixel pitch per format (24 MP FF, 24–26 MP APS-C, 20 MP MFT). Fine-tune for your camera with the NPF calculator.

Tips for Milky Way photography

  • Shoot within a few days of the new moon, or after moonset / before moonrise.
  • Use ISO 3200–6400 on modern full-frame sensors, f/1.8–f/2.8, and the NPF shutter time.
  • Focus manually on a bright star with live view magnified, then lock the focus ring.
  • Shoot a blue-hour or low-ISO foreground frame from the same tripod position and blend it later.
  • Stack 10–20 frames to reduce noise, or use a star tracker for longer exposures.
  • Check the darkest-location table above, then confirm the view to the south on the location's sun-path diagram.

FAQ

When is Milky Way season in Alaska?
The core is mostly too low at this latitude.
Where is the best place to see the Milky Way in Alaska?
What time is the Milky Way visible tonight?
Use the Milky Way planner with your location for exact rise, transit and dark-window times.