ISO week 35 2025
This week is currently in preparation and will be published as part of the Star Almanack.
Week begins: Monday, August 25, 2025
Notation:
Calendar
| Date | Zodiac day | Events |
|---|---|---|
| Mon, Aug 25, 2025 | ♍ 4 | |
| Tue, Aug 26, 2025 | ♍ 5 | Telescopium center — Constellation —  V 4.1 — Southern SummerNGC 6781, PN G041.8-02.9, planetary nebula in Aql —  V 11.8 — Finest NGC — Tropical Summer |
| Wed, Aug 27, 2025 | ♍ 6 | Rukbat (α Sgr) — V 4 — Southern SummerArkab Prior (β1 Sgr) — V 4 — Southern SummerArkab Posterior (β2 Sgr) — V 4 — Southern Summer |
| Thu, Aug 28, 2025 | ♍ 7 | Anser (α Vul) — V 4 — Northern SummerCoathanger center — Asterism — V 5.1 — Tropical Summer |
| Fri, Aug 29, 2025 | ♍ 8 | Albireo (β1 Cyg) —  V 3 — Northern SummerAlbireo B (β2 Cyg) — V 5 — Northern SummerM55, globular cluster in Sagittarius — V 6.3 — Southern SummerNGC 6802, open cluster in Vul — V 11.7 — Finest NGC — Tropical Summer |
| Sat, Aug 30, 2025 | ♍ 9 | Pavo center — Constellation — V 4.0 — Southern Summer |
| Sun, Aug 31, 2025 | ♍ 10 | 🌓 First Quarter — 06:25:12 UTC Aquila center — Constellation — V 3.4 — Tropical Summer |
Weekly Solar-System Ephemeris
Snapshot: August 25, 2025 · 00:00 UTC
Notation:
Naked Eye
| ☉︎ Sun | ☽︎ Moon | ☿︎ Mercury | ♀︎ Venus | ♂︎ Mars | ♃︎ Jupiter | ♄︎ Saturn |
|---|---|---|---|---|---|---|
| ♍︎ 2°04′ β −0°00′ | ♍︎ 22°40′ β −0°24′ | ♌︎ 15°02′ β +0°28′ | ♋︎ 29°11′ β −0°14′ | ♎︎ 11°24′ β +0°20′ | ♋︎ 16°35′ β −0°03′ | ♈︎ 0°29′ β −2°28′ |
| Observing | ||||||
| ☉ | | ☉ | | | | |
Extended targets:
| ⚳︎ Ceres | ♅︎ Uranus | ♆︎ Neptune | ♇︎ Pluto |
|---|---|---|---|
| ♈︎ 16°17′ β −14°15′ | ♊︎ 1°24′ β −0°13′ | ♈︎ 1°32′ β −1°22′ | ♒︎ 1°54′ 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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