ASTERISMS
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lunar eclipse

notable

Penumbral lunar eclipse

The Moon moves through Earth's penumbra, with gentle dimming rather than a sharply defined eclipse boundary.

NASA global map and diagram for the August 17, 2027 penumbral lunar eclipse
NASA GSFC / Fred Espenak · reference mapOriginal image

Earlier in the record

Previous eclipse in Saros 148

6 August 2009

The preceding member of this lunar-eclipse series occurred on August 6, 2009.

NASA GSFC Saros 148 catalogue
Wikipedia background ↗

Where to look

GLOBAL EVENT. It is observable where the Moon is above the horizon during the eclipse; local visibility has not been calculated for this observer.

Global event · local visibility

Local eclipse circumstances are not calculated. Seeing the Sun or Moon above the horizon alone does not establish that this eclipse is visible from your location.

Penumbral magnitude: 0.5456

Source phase window: 05:24–09:03 UTC.

Technical source record

2027 · NASA-2027-148-penumbral-lunar-eclipse-2027-08-17 · retrieved 2026-09-30

Saros 148 · magnitude/duration from the NASA GSFC record.

ObserverExample sky· UTC
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Location accuracy & privacy

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Shareable event URL: https://asterisms.space/events/penumbral-lunar-eclipse-2027-08-17