ISO week 44 2025

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

Week begins: Monday, October 27, 2025

Notation:

Calendar

Date	Zodiac day	Events
Mon, Oct 27, 2025	5	Markab (α Peg) — V 2 — Tropical Autumn C44, NGC 7479, barred spiral galaxy in Pegasus — V 11.0 — Tropical Autumn
Tue, Oct 28, 2025	6
Wed, Oct 29, 2025	7	🌓 First Quarter — 16:20:49 UTC
Thu, Oct 30, 2025	8
Fri, Oct 31, 2025	9	C11, NGC 7635, Bubble Nebula, bright nebula in Cassiopeia — V 7.0 — Finest NGC — Northern Autumn
Sat, Nov 1, 2025	10	M52, open cluster in Cassiopeia — V 7.3 — Northern Autumn C22, NGC 7662, Blue Snowball, planetary nebula in Andromeda — V 9.2 — Finest NGC — Northern Autumn
Sun, Nov 2, 2025	11	Circlet of Pisces center — Asterism — V 3.7 — Tropical Autumn

Weekly Solar-System Ephemeris

Snapshot: October 27, 2025 · 00:00 UTC

Notation:

Naked Eye

☉︎ Sun	☽︎ Moon	☿︎ Mercury	♀︎ Venus	♂︎ Mars	♃︎ Jupiter	♄︎ Saturn
♏︎ 3°50′ β −0°00′	♑︎ 3°33′ β −4°55′	♏︎ 27°22′ β −2°45′	♎︎ 16°19′ β +1°31′	♏︎ 23°55′ β −0°21′	♋︎ 24°45′ β +0°04′	♓︎ 26°02′ β −2°29′
Observing
☉			☉

Extended targets:

⚳︎ Ceres	♅︎ Uranus	♆︎ Neptune	♇︎ Pluto
♈︎ 4°38′ β −14°02′	♊︎ 0°28′ β −0°13′	♓︎ 29°54′ β −1°22′	♒︎ 1°24′ β −3°46′
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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