ISO week 36 2025
This week is currently in preparation and will be published as part of the Star Almanack.
Week begins: Monday, September 1, 2025
Notation:
Calendar
| Date | Zodiac day | Events |
|---|---|---|
| Mon, Sep 1, 2025 | ♍ 11 | Sham (α Sge) —  V 4 — Tropical Summerβ Sge — V 4 — Tropical SummerSagitta center — Constellation — V 4.0 — Tropical SummerSummer Triangle center — Asterism —  V 0.0 — Northern SummerNGC 6819, open cluster in Cygnus —  V 9.5 — Finest NGC — Northern Summer |
| Tue, Sep 2, 2025 | ♍ 12 | M71, globular cluster in Sagitta — V 8.2 — Tropical SummerC15, NGC 6826, Blinking Planetary Nebula, planetary nebula in Cygnus — V 9.8 — Finest NGC — Northern SummerC57, NGC 6822, Barnard's Galaxy, irregular galaxy in Sagittarius — V 9.3 — Tropical SummerNGC 6818, Little Gem, planetary nebula in Sagittarius — V 10 — Finest NGC — Tropical Summer |
| Wed, Sep 3, 2025 | ♍ 13 | Altair (α Aql) — V 1 — Tropical SummerM27, Dumbbell Nebula, planetary nebula in Vulpecula — V 7.4 — Tropical Summer |
| Thu, Sep 4, 2025 | ♍ 14 | |
| Fri, Sep 5, 2025 | ♍ 15 | Alshain (β Aql) — V 4 — Tropical SummerM75, globular cluster in Sagittarius — V 8.5 — Tropical Summer |
| Sat, Sep 6, 2025 | ♍ 16 | |
| Sun, Sep 7, 2025 | ♍ 17 | 🌕 Full Moon · Fruit Moon — 18:08:54 UTC |
Weekly Solar-System Ephemeris
Snapshot: September 1, 2025 · 00:00 UTC
Notation:
Naked Eye
| ☉︎ Sun | ☽︎ Moon | ☿︎ Mercury | ♀︎ Venus | ♂︎ Mars | ♃︎ Jupiter | ♄︎ Saturn |
|---|---|---|---|---|---|---|
| ♍︎ 8°50′ β −0°00′ | ♐︎ 16°55′ β −5°17′ | ♌︎ 27°03′ β +1°31′ | ♌︎ 7°34′ β +0°08′ | ♎︎ 15°55′ β +0°15′ | ♋︎ 17°52′ β −0°02′ | ♈︎ 0°01′ β −2°29′ |
| Observing | ||||||
| ☉ | | ☉ | | | | |
Extended targets:
| ⚳︎ Ceres | ♅︎ Uranus | ♆︎ Neptune | ♇︎ Pluto |
|---|---|---|---|
| ♈︎ 15°34′ β −14°35′ | ♊︎ 1°27′ β −0°13′ | ♈︎ 1°22′ β −1°22′ | ♒︎ 1°47′ β −3°47′ |
| Observing | |||
| | | |
β = ecliptic latitude (+ north, − south). Observing combines visual magnitude with solar elongation. Two telescope glyphs = substantial telescope. ☉ = Near Sun — not currently observable.
Notation:
Planet Finder
Sky Notes
Naked eye
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Binoculars
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Telescope
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