ISO week 41 2027

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

Week begins: Monday, October 11, 2027

Notation:

Calendar

Date	Zodiac day	Events
Mon, Oct 11, 2027	19	Sadalmelik (α Aqr) — V 3 — Tropical Autumn
Tue, Oct 12, 2027	20	Alnair (α Gru) — V 2 — Southern Autumn
Wed, Oct 13, 2027	21
Thu, Oct 14, 2027	22	Piscis Austrinus center — Constellation — V 4.3 — Southern Autumn C16, NGC 7243, open cluster in Lacerta — V 6.4 — Northern Autumn
Fri, Oct 15, 2027	23	🌕 Full Moon · Hunter's Moon — 13:47:00 UTC α Tuc — V 3 — Southern Autumn Cepheus center — Constellation — V 3.5 — Arctic Autumn
Sat, Oct 16, 2027	24	β Lac — V 4 — Northern Autumn — in the Milky Way Aquarius center — Constellation — V 3.9 — Tropical Autumn
Sun, Oct 17, 2027	25	Water Jar center — Asterism — V 3.6 — Tropical Autumn

Weekly Solar-System Ephemeris

Snapshot: October 11, 2027 · 00:00 UTC

Notation:

Naked Eye

☉︎ Sun	☽︎ Moon	☿︎ Mercury	♀︎ Venus	♂︎ Mars	♃︎ Jupiter	♄︎ Saturn
♎︎ 17°27′ β +0°00′	♒︎ 25°31′ β +1°26′	♏︎ 4°12′ β −3°19′	♏︎ 3°31′ β +0°32′	♏︎ 26°29′ β −0°41′	♍︎ 16°18′ β +0°59′	♈︎ 24°58′ β −2°47′
Observing
☉		☉	☉

Extended targets:

⚳︎ Ceres	♅︎ Uranus	♆︎ Neptune	♇︎ Pluto
♎︎ 2°27′ β +7°41′	♊︎ 9°41′ β −0°06′	♈︎ 4°54′ β −1°28′	♒︎ 4°46′ β −4°47′
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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