ISO week 34 2025
This week is currently in preparation and will be published as part of the Star Almanack.
Week begins: Monday, August 18, 2025
Notation:
Calendar
| Date | Zodiac day | Events |
|---|---|---|
| Mon, Aug 18, 2025 | ♌ 28 | Sheliak (β Lyr) —  V 4 — Northern Summer — in the Milky WayLyra center — Constellation — V 3.9 — Northern SummerM54, globular cluster in Sagittarius —  V 7.6 — Southern Summer |
| Tue, Aug 19, 2025 | ♌ 29 | Nunki (σ Sgr) —  V 2 — Southern SummerNGC 6712, globular cluster in Sct — V 8.1 — Finest NGC — Tropical Summer |
| Wed, Aug 20, 2025 | ♌ 30 | |
| Thu, Aug 21, 2025 | ♌ 31 | C68, NGC 6729, R Coronae Australis Nebula, bright nebula in Corona Australis — V 9.7 — Southern Summer |
| Fri, Aug 22, 2025 | ♍ 1 | ♍ Sun enters Virgo — 20:33:51 UTC |
| Sat, Aug 23, 2025 | ♍ 2 | 🌑 New Moon — 06:06:33 UTC Meridiana (α CrA) — V 4 — Southern Summerβ CrA — V 4 — Southern SummerSagittarius center — Constellation — V 2.9 — Southern SummerM56, globular cluster in Lyra — V 8.3 — Northern SummerC101, NGC 6744, barred spiral galaxy in Pavo — V 9.0 — Southern Summer |
| Sun, Aug 24, 2025 | ♍ 3 | C93, NGC 6752, globular cluster in Pavo — V 5.4 — Southern Summer |
Weekly Solar-System Ephemeris
Snapshot: August 18, 2025 · 00:00 UTC
Notation:
Naked Eye
| ☉︎ Sun | ☽︎ Moon | ☿︎ Mercury | ♀︎ Venus | ♂︎ Mars | ♃︎ Jupiter | ♄︎ Saturn |
|---|---|---|---|---|---|---|
| ♌︎ 25°19′ β +0°00′ | ♊︎ 18°51′ β +5°14′ | ♌︎ 6°53′ β −1°15′ | ♋︎ 20°52′ β −0°37′ | ♎︎ 6°56′ β +0°25′ | ♋︎ 15°13′ β −0°03′ | ♈︎ 0°54′ β −2°26′ |
| Observing | ||||||
| ☉ | | ☉ | | | | |
Extended targets:
| ⚳︎ Ceres | ♅︎ Uranus | ♆︎ Neptune | ♇︎ Pluto |
|---|---|---|---|
| ♈︎ 16°41′ β −13°52′ | ♊︎ 1°18′ β −0°13′ | ♈︎ 1°41′ β −1°22′ | ♒︎ 2°03′ 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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