ISO week 19 2027

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

Week begins: Monday, May 10, 2027

Notation:

Calendar

Date	Zodiac day	Events
Mon, May 10, 2027	21	Alchiba (α Crv) — V 4 — Southern Spring NGC 4088, galaxy in Ursa Major — V 11.3 — Finest NGC — Northern Spring NGC 4111, galaxy in Canes Venatici — V 11.7 — Finest NGC — Northern Spring
Tue, May 11, 2027	22	NGC 4157, galaxy in Ursa Major — V 12.1 — Finest NGC — Northern Spring
Wed, May 12, 2027	23	M98, spiral galaxy in Coma Berenices — V 10.1 — Tropical Spring NGC 4214, galaxy in Canes Venatici — V 10.2 — Finest NGC — Northern Spring NGC 4216, galaxy in Virgo — V 11 — Finest NGC — Tropical Spring
Thu, May 13, 2027	24	🌓 First Quarter — 04:43:54 UTC β Cha — V 4 — Antarctic Spring Big Dipper center — Asterism — V 1.8 — Northern Spring M99, spiral galaxy in Coma Berenices — V 9.9 — Tropical Spring M106, spiral galaxy in Canes Venatici — V 8.4 — Northern Spring C3, NGC 4236, spiral galaxy in Draco — V 9.7 — Arctic Spring C26, NGC 4244, Silver Needle, spiral galaxy in Canes Venatici — V 10.6 — Finest NGC — Northern Spring NGC 4274, galaxy in Coma Berenices — V 11.3 — Finest NGC — Northern Spring
Fri, May 14, 2027	25	M40, Winnecke 4, double star in Ursa Major — V 8.4 — Northern Spring M61, spiral galaxy in Virgo — V 9.7 — Tropical Spring M100, spiral galaxy in Coma Berenices — V 9.3 — Tropical Spring
Sat, May 15, 2027	26	Acrux (α1 Cru) — V 1 — Southern Spring α2 Cru — V 2 — Southern Spring Corvus center — Constellation — V 2.9 — Tropical Spring Crux center — Constellation — V 1.4 — Southern Spring M84, lenticular galaxy in Virgo — V 9.1 — Tropical Spring M85, lenticular galaxy in Coma Berenices — V 9.1 — Tropical Spring M86, lenticular galaxy in Virgo — V 8.9 — Tropical Spring C21, NGC 4449, irregular galaxy in Canes Venatici — V 9.4 — Finest NGC — Northern Spring C108, NGC 4372, globular cluster in Musca — V 7.8 — Antarctic Spring NGC 4414, galaxy in Coma Berenices — V 11 — Finest NGC — Northern Spring NGC 4361, planetary nebula in Corvus — V 10.9 — Finest NGC — Tropical Spring NGC 4388, galaxy in Virgo — V 11.9 — Finest NGC — Tropical Spring NGC 4438, The Eyes with 4435, galaxy in Virgo — V 10.9 — Finest NGC — Tropical Spring
Sun, May 16, 2027	27	Gacrux (γ Cru) — V 2 — Southern Spring Southern Cross center — Asterism — V 0.8 — Southern Spring M49, elliptical galaxy in Virgo — V 8.4 — Tropical Spring M87, elliptical galaxy in Virgo — V 8.6 — Tropical Spring M88, spiral galaxy in Coma Berenices — V 9.6 — Tropical Spring NGC 4490, Cocoon Galaxy, galaxy in Canes Venatici — V 9.8 — Finest NGC — Northern Spring NGC 4494, galaxy in Coma Berenices — V 10.7 — Finest NGC — Northern Spring

Weekly Solar-System Ephemeris

Snapshot: May 10, 2027 · 00:00 UTC

Notation:

Naked Eye

☉︎ Sun	☽︎ Moon	☿︎ Mercury	♀︎ Venus	♂︎ Mars	♃︎ Jupiter	♄︎ Saturn
♉︎ 19°08′ β +0°00′	♋︎ 6°38′ β +3°09′	♊︎ 1°51′ β +1°33′	♈︎ 24°04′ β −1°39′	♌︎ 28°21′ β +1°51′	♌︎ 18°05′ β +0°59′	♈︎ 21°39′ β −2°16′
Observing
☉		☉

Extended targets:

⚳︎ Ceres	♅︎ Uranus	♆︎ Neptune	♇︎ Pluto
♋︎ 25°44′ β +8°10′	♊︎ 4°46′ β −0°07′	♈︎ 5°42′ β −1°22′	♒︎ 7°11′ β −4°34′
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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