ISO week 02 2027
This week is currently in preparation and will be published as part of the Star Almanack.
Week begins: Monday, January 11, 2027
Notation:
Calendar
| Date | Zodiac day | Events |
|---|---|---|
| Mon, Jan 11, 2027 | ♑ 22 | C41, Hyades, open cluster (also an asterism) in Taurus —  V 1.0 — Tropical Winter |
| Tue, Jan 12, 2027 | ♑ 23 | α Dor — V 3 — Southern Winter |
| Wed, Jan 13, 2027 | ♑ 24 | Aldebaran (α Tau) — V 1 — Tropical Winter |
| Thu, Jan 14, 2027 | ♑ 25 | α Cae —  V 4 — Southern Winterβ Cae — V 5 — Southern Winter |
| Fri, Jan 15, 2027 | ♑ 26 | 🌓 First Quarter — 20:34:30 UTC Caelum center — Constellation — V 4.8 — Southern Winter |
| Sat, Jan 16, 2027 | ♑ 27 | |
| Sun, Jan 17, 2027 | ♑ 28 | α Cam — V 4 — Northern Winter |
Weekly Solar-System Ephemeris
Snapshot: January 11, 2027 · 00:00 UTC
Notation:
Naked Eye
| ☉︎ Sun | ☽︎ Moon | ☿︎ Mercury | ♀︎ Venus | ♂︎ Mars | ♃︎ Jupiter | ♄︎ Saturn |
|---|---|---|---|---|---|---|
| ♑︎ 20°31′ β +0°00′ | ♒︎ 24°42′ β +0°22′ | ♑︎ 26°14′ β −2°07′ | ♐︎ 3°49′ β +3°18′ | ♍︎ 10°26′ β +3°37′ | ♌︎ 25°41′ β +0°58′ | ♈︎ 8°48′ β −2°25′ |
| Observing | ||||||
| ☉ | | ☉ | | | | |
Extended targets:
| ⚳︎ Ceres | ♅︎ Uranus | ♆︎ Neptune | ♇︎ Pluto |
|---|---|---|---|
| ♋︎ 16°26′ β +7°52′ | ♊︎ 2°02′ β −0°08′ | ♈︎ 1°51′ β −1°22′ | ♒︎ 4°39′ β −4°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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