← Annual almanac

Neptune reaches opposition on 26 Sep 2026 and is highest around 12:00 am.

New Moon
11 Sep
Darkest skies
Full Moon
27 Sep
Brightest skies
Best dark window
8 Sep
11h 33m

Current conditions

Checking the sky near Southern Tasmania, Australia…

Weather: Open-MeteoForecast point: 42.750° S, 146.980° E

Sky chart: 15 Sep 2026, 10 pm

Southern Tasmania, Australia local time.

Open interactive sky chart →
Show static monthly chart
All-sky chart for 15 Sep 2026 at 10 pm, Southern Tasmania, Australia
North is at the top; east is at the left. Solar System objects shown are above the horizon at 10 pm.

Night planner

Choose a date to see astronomical darkness, Moon interference, Galactic Centre visibility, and planet altitudes and times.

Best low-Moon dark periods this month

  1. 6:23 pm–5:56 am11h 33m · 20% Moon
  2. 6:24 pm–5:54 am11h 30m · 12% Moon
  3. 6:26 pm–5:53 am11h 27m · 5% Moon
Download night-planning CSV →

Galactic Centre sessions

  1. 6:18 pm–1:02 am6h 43m · core to 76°
  2. 6:20 pm–1:00 am6h 40m · core to 76°
  3. 6:22 pm–12:52 am6h 30m · core to 76°
Download Galactic Centre CSV →

Events

  • HIP 9627 lunar occultation2:16 am to 3:12 am; Moon at 26° altitude for the first listed contact.
  • HIP 29352 lunar occultation4:53 am; Moon at 10° altitude for the first listed contact.
  • Uranus stationary pointApparent motion changes direction.

September highlights

  1. Milky Way

    Milky Way core window

    4h 13m with 76° altitude.

  2. Occultations

    HIP 9449 lunar occultation

    12:51 am to 1:51 am; Moon at 19° altitude for the first listed contact.

  3. Planetary events

    Neptune opposition

    Visible for most of the night.

  4. Planets

    Neptune

    Best monthly date at 47° altitude.

Moon phases

88%
19%
18%
78%
96%

For faint deep-sky objects, observe when the Moon is below the horizon or weakly illuminated. For lunar relief, observe near the terminator; full Moon is best suited to ray systems and albedo features.

Download Moon phase CSV →

Planet visibility

Evening

  • Venus7 Sep · 6:30 pm34° · Good
  • Mercury25 Sep · 6:30 pm16° · Fair

Overnight

  • Neptune28 Sep · 12:00 am47° · Excellent
  • Saturn30 Sep · 12:30 am45° · Excellent

Predawn

  • Uranus28 Sep · 4:00 am26° · Good
  • Mars30 Sep · 5:30 am18° · Fair
  • Jupiter30 Sep · 5:30 am14° · Poor
Download planet CSV →

Data and downloads