ISO week 08 2025
This week is currently in preparation and will be published as part of the Star Almanack.
Week begins: Monday, February 17, 2025
Notation:
Calendar
| Date | Zodiac day | Events |
|---|---|---|
| Mon, Feb 17, 2025 | ♒ 30 | Monoceros center — Constellation —  V 4.4 — Tropical Winter |
| Tue, Feb 18, 2025 | ♓ 1 | ♓ Sun enters Pisces — 10:06:34 UTC Wezen (δ CMa) —  V 2 — Southern WinterM50, open cluster in Monoceros — V 6.3 — Tropical Winter |
| Wed, Feb 19, 2025 | ♓ 2 | Gemini center — Constellation — V 3.6 — Tropical Winter |
| Thu, Feb 20, 2025 | ♓ 3 | 🌗 Last Quarter — 17:32:32 UTC |
| Fri, Feb 21, 2025 | ♓ 4 | C58, NGC 2360, open cluster in Canis Major — V 7.2 — Tropical WinterC64, NGC 2362, Tau Canis Majoris Cluster, open cluster in Canis Major — V 4.1 — Southern WinterNGC 2359, Thor's Helmet, emission nebula in Canis Major —  — Finest NGC — Tropical Winter |
| Sat, Feb 22, 2025 | ♓ 5 | |
| Sun, Feb 23, 2025 | ♓ 6 | Gomeisa (β CMi) — V 3 — Tropical WinterAludra (η CMa) — V 2 — Southern WinterNGC 2371, Gemini Nebula; 2372?, planetary nebula in Gemini — V 11.2 — Finest NGC — Northern Winter |
Weekly Solar-System Ephemeris
Snapshot: February 17, 2025 · 00:00 UTC
Notation:
Naked Eye
| ☉︎ Sun | ☽︎ Moon | ☿︎ Mercury | ♀︎ Venus | ♂︎ Mars | ♃︎ Jupiter | ♄︎ Saturn |
|---|---|---|---|---|---|---|
| ♒︎ 28°34′ β −0°00′ | ♎︎ 18°01′ β −1°50′ | ♓︎ 4°36′ β −1°38′ | ♈︎ 7°42′ β +4°34′ | ♋︎ 17°20′ β +3°54′ | ♊︎ 11°33′ β −0°26′ | ♓︎ 19°15′ β −1°55′ |
| Observing | ||||||
| ☉ | | ☉ | | | | |
Extended targets:
| ⚳︎ Ceres | ♅︎ Uranus | ♆︎ Neptune | ♇︎ Pluto |
|---|---|---|---|
| ♒︎ 27°16′ β −7°18′ | ♉︎ 23°24′ β −0°14′ | ♓︎ 28°28′ β −1°16′ | ♒︎ 2°33′ β −3°20′ |
| 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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