ISO week 13 2025

This week is currently in preparation and will be published as part of the Star Almanack.

Week begins: Monday, March 24, 2025

Notation:

Calendar

Date	Zodiac day	Events
Mon, Mar 24, 2025	5	Miaplacidus (β Car) — V 2 — Antarctic Spring
Tue, Mar 25, 2025	6	Aspidiske (ι Car) — V 2 — Southern Spring
Wed, Mar 26, 2025	7	α Lyn — V 3 — Northern Spring — in the Milky Way Markeb (κ Vel) — V 2 — Southern Spring C90, NGC 2867, planetary nebula in Carina — V 9.7 — Southern Spring NGC 2841, galaxy in Ursa Major — V 10 — Finest NGC — Northern Spring
Thu, Mar 27, 2025	8
Fri, Mar 28, 2025	9	Alphard (α Hya) — V 2 — Tropical Spring
Sat, Mar 29, 2025	10	🌑 New Moon — 10:57:50 UTC NGC 2903, galaxy in Leo — V 10 — Finest NGC — Tropical Spring
Sun, Mar 30, 2025	11	Vela center — Constellation — V 2.6 — Southern Spring

Weekly Solar-System Ephemeris

Snapshot: March 24, 2025 · 00:00 UTC

Notation:

Naked Eye

☉︎ Sun	☽︎ Moon	☿︎ Mercury	♀︎ Venus	♂︎ Mars	♃︎ Jupiter	♄︎ Saturn
♈︎ 3°36′ β −0°00′	♑︎ 21°32′ β −4°50′	♈︎ 5°08′ β +3°17′	♈︎ 2°03′ β +8°20′	♋︎ 21°12′ β +2°52′	♊︎ 14°48′ β −0°20′	♓︎ 23°31′ β −1°56′
Observing
☉		☉	☉			☉

Extended targets:

⚳︎ Ceres	♅︎ Uranus	♆︎ Neptune	♇︎ Pluto
♓︎ 10°52′ β −7°48′	♉︎ 24°24′ β −0°13′	♓︎ 29°45′ β −1°16′	♒︎ 3°25′ β −3°26′
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

Planet Finder — Mixed Learner — Mixed Learner

Sky Notes

Naked eye

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Binoculars

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Telescope

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