ISO week 01 2025
This week is currently in preparation and will be published as part of the Star Almanack.
Week begins: Monday, December 30, 2024
Notation:
Calendar
| Date | Zodiac day | Events |
|---|---|---|
| Mon, Dec 30, 2024 | ♑ 10 | 🌑 New Moon — 22:26:48 UTC |
| Tue, Dec 31, 2024 | ♑ 11 | β Ret —  V 4 — Southern WinterM45, Pleiades, open cluster in Taurus (also an asterism) —  V 1.6 — Northern Winter |
| Wed, Jan 1, 2025 | ♑ 12 | Eridanus center — Constellation — V 4.0 — Tropical WinterC5, IC 342, barred spiral galaxy in Camelopardalis —  V 9.2 — Arctic Winter |
| Thu, Jan 2, 2025 | ♑ 13 | Reticulum center — Constellation — V 4.1 — Southern Winter |
| Fri, Jan 3, 2025 | ♑ 14 |  Quadrantids peak · radiant in Boötes · expected ZHR ≈ 120 · Moon 13% illuminated: little moonlight interference · Use a dark site, allow 20–30 minutes for dark adaptation, and observe with the unaided eye. Watch a broad area of sky rather than staring directly at the radiant. |
| Sat, Jan 4, 2025 | ♑ 15 | |
| Sun, Jan 5, 2025 | ♑ 16 | NGC 1491, emission nebula in Perseus — — Finest NGC — Northern Winter |
Weekly Solar-System Ephemeris
Snapshot: December 30, 2024 · 00:00 UTC
Notation:
Naked Eye
| ☉︎ Sun | ☽︎ Moon | ☿︎ Mercury | ♀︎ Venus | ♂︎ Mars | ♃︎ Jupiter | ♄︎ Saturn |
|---|---|---|---|---|---|---|
| ♑︎ 8°46′ β −0°00′ | ♐︎ 27°30′ β −4°59′ | ♐︎ 17°21′ β +1°24′ | ♒︎ 25°33′ β −1°32′ | ♌︎ 2°33′ β +3°50′ | ♊︎ 13°26′ β −0°36′ | ♓︎ 14°23′ β −1°59′ |
| Observing | ||||||
| ☉ | ☉ | | | | | |
Extended targets:
| ⚳︎ Ceres | ♅︎ Uranus | ♆︎ Neptune | ♇︎ Pluto |
|---|---|---|---|
| ♒︎ 8°16′ β −7°01′ | ♉︎ 23°41′ β −0°15′ | ♓︎ 27°16′ β −1°17′ | ♒︎ 1°00′ β −3°16′ |
| 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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