ISO week 15 2025
This week is currently in preparation and will be published as part of the Star Almanack.
Week begins: Monday, April 7, 2025
Notation:
Calendar
| Date | Zodiac day | Events |
|---|---|---|
| Mon, Apr 7, 2025 | ♈ 19 | Sickle of Leo center — Asterism —  V 1.4 — Tropical SpringC53, NGC 3115, Spindle Galaxy, elliptical galaxy in Sextans —  V 9.1 — Finest NGC — Tropical Spring |
| Tue, Apr 8, 2025 | ♈ 20 | Regulus (α Leo) — V 1 — Tropical Springα Sex —  V 4 — Tropical SpringAntlia center — Constellation — V 4.5 — Southern SpringC74, NGC 3132, Southern Ring Nebula, planetary nebula in Vela — V 8.2 — Southern SpringC109, NGC 3195, planetary nebula in Chamaeleon — Antarctic Spring |
| Wed, Apr 9, 2025 | ♈ 21 | |
| Thu, Apr 10, 2025 | ♈ 22 | Sextans center — Constellation — V 5.1 — Tropical Spring |
| Fri, Apr 11, 2025 | ♈ 23 | Algieba (Gam-1) — V 2 — Tropical SpringC79, NGC 3201, globular cluster in Vela — V 6.7 — Southern SpringNGC 3184, galaxy in Ursa Major — V 10.4 — Finest NGC — Northern Spring |
| Sat, Apr 12, 2025 | ♈ 24 | Leo Minor center — Constellation — V 4.5 — Northern Spring |
| Sun, Apr 13, 2025 | ♈ 25 | 🌕 Full Moon · Seed Moon — 00:22:16 UTC α Ant — V 4 — Southern Springβ LMi — V 4 — Northern SpringHydra center — Constellation — V 3.9 — Tropical SpringC59, NGC 3242, Ghost of Jupiter, planetary nebula in Hydra — V 8.6 — Finest NGC — Tropical Spring |
Weekly Solar-System Ephemeris
Snapshot: April 7, 2025 · 00:00 UTC
Notation:
Naked Eye
| ☉︎ Sun | ☽︎ Moon | ☿︎ Mercury | ♀︎ Venus | ♂︎ Mars | ♃︎ Jupiter | ♄︎ Saturn |
|---|---|---|---|---|---|---|
| ♈︎ 17°26′ β +0°00′ | ♌︎ 10°24′ β +3°51′ | ♓︎ 26°50′ β +0°03′ | ♓︎ 25°22′ β +6°00′ | ♋︎ 25°40′ β +2°31′ | ♊︎ 16°56′ β −0°18′ | ♓︎ 25°12′ β −1°57′ |
| Observing | ||||||
| ☉ | | | | | | |
Extended targets:
| ⚳︎ Ceres | ♅︎ Uranus | ♆︎ Neptune | ♇︎ Pluto |
|---|---|---|---|
| ♓︎ 16°08′ β −8°04′ | ♉︎ 25°02′ β −0°13′ | ♈︎ 0°17′ β −1°16′ | ♒︎ 3°38′ β −3°28′ |
| 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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