ISO week 12 2025
This week is currently in preparation and will be published as part of the Star Almanack.
Week begins: Monday, March 17, 2025
Notation:
Calendar
| Date | Zodiac day | Events |
|---|---|---|
| Mon, Mar 17, 2025 | ♓ 28 | Carina center — Constellation —  V 3.3 — Southern WinterM67, King Cobra Cluster, open cluster in Cancer —  V 6.1 — Tropical Winter |
| Tue, Mar 18, 2025 | ♓ 29 | NGC 2683, UFO Galaxy, galaxy in Lyn —  V 10 — Finest NGC — Northern Winter |
| Wed, Mar 19, 2025 | ♓ 30 | Pyxis center — Constellation — V 3.8 — Southern WinterFalse Cross center — Asterism — V 1.9 — Southern WinterNGC 2655, galaxy in Camelopardalis — V 11 — Finest NGC — Arctic Winter |
| Thu, Mar 20, 2025 | ♈ 1 | ♈ Sun enters Aries · Vernal equinox · First Point of Aries · Ostara — 09:01:29 UTC Acubens (α Cnc) — V 4 — Tropical Spring |
| Fri, Mar 21, 2025 | ♈ 2 | α Vol — V 4 — Southern Spring |
| Sat, Mar 22, 2025 | ♈ 3 | 🌗 Last Quarter — 11:29:26 UTC |
| Sun, Mar 23, 2025 | ♈ 4 | Suhail (λ Vel) — V 2 — Southern SpringC48, NGC 2775, spiral galaxy in Cancer — V 10.3 — Tropical Spring |
Weekly Solar-System Ephemeris
Snapshot: March 17, 2025 · 00:00 UTC
Notation:
Naked Eye
| ☉︎ Sun | ☽︎ Moon | ☿︎ Mercury | ♀︎ Venus | ♂︎ Mars | ♃︎ Jupiter | ♄︎ Saturn |
|---|---|---|---|---|---|---|
| ♓︎ 26°39′ β −0°00′ | ♎︎ 26°18′ β −2°34′ | ♈︎ 9°23′ β +3°24′ | ♈︎ 6°20′ β +8°33′ | ♋︎ 19°28′ β +3°04′ | ♊︎ 13°54′ β −0°21′ | ♓︎ 22°40′ β −1°55′ |
| Observing | ||||||
| ☉ | | ☉ | ☉ | | | ☉ |
Extended targets:
| ⚳︎ Ceres | ♅︎ Uranus | ♆︎ Neptune | ♇︎ Pluto |
|---|---|---|---|
| ♓︎ 8°11′ β −7°40′ | ♉︎ 24°08′ β −0°14′ | ♓︎ 29°29′ β −1°16′ | ♒︎ 3°16′ β −3°24′ |
| 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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