How to see the total lunar eclipse from the Bay Area on Tuesday - SFGATE

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A full lunar eclipse oregon “blood moon” volition beryllium disposable crossed the satellite aboriginal Tuesday morning, and there’s a accidental stargazers successful the Bay Area volition beryllium capable to spot it for themselves — if the upwind permits.

The improvement occurs erstwhile the Earth aligns with the prima and casts a shadiness implicit the moon. That causes the moon's aboveground to look successful a ruddy, red-orange colour arsenic atmospheric refraction bends the reddish hues of airy from the sun, allowing them to illuminate the moon, Elinor Gates, a unit astronomer astatine the Lick Observatory connected Mount Hamilton, told SFGATE connected Sunday. 

It’s the second full lunar eclipse this twelvemonth and won’t hap again until 2025.

“These events are large due to the fact that you don’t request a scope to spot them,” Gates said. “A lunar eclipse progresses precise slowly. You tin spell outside, instrumentality a look, and spell backmost successful if it gets cold. All you request is simply a wide sky, and it helps not to person excessively galore metropolis lights astir truthful you tin decently admit it.” 

In California, the totality of the eclipse — oregon the highest signifier during which the Earth wholly covers the satellite — volition statesman astatine 2:16 a.m. and extremity astatine 3:41 a.m., Gates said, but it volition go partially disposable arsenic aboriginal arsenic midnight. 

“You’ll spot that alternatively of a afloat moon, portion of the satellite won’t beryllium arsenic visible,” Gates said. “It volition get fainter, and you’ll conscionable spot a crescent satellite alternatively arsenic the satellite starts moving into the Earth’s shadow.”

The heavy reddish hue that dilatory emerges implicit the satellite is caused by dust, volcanic ash, and contamination successful the Earth’s ambiance — the much determination is, the redder the satellite volition look during the eclipse. But conscionable however perceptible the lawsuit volition beryllium remains to beryllium seen.

“I’d accidental it’s going to beryllium hard with the upwind strategy that’s passing done implicit the adjacent mates of days,” Roger Gass, a meteorologist for the National Weather Service, told SFGATE connected Sunday. “Unfortunately, I don’t judge we’ll spot overmuch of a interruption successful the unreality screen crossed the authorities of California.” 

However, it inactive whitethorn beryllium worthy taking a look. Unlike different parts of the world, the eclipse is expected to beryllium observable from opening to extremity connected the West Coast with nary disruptions.  

“The satellite volition beryllium deepest successful shadiness and darkest astatine 2:59 a.m.,” Ben Burress, a unit astronomer for Chabot Space and Science Center successful Oakland, wrote for KQED connected Thursday. “If you’re lone funny successful waking for a fewer moments to drawback a glimpse of the eclipse, this is the clip to acceptable your alarm for.”

The acquisition halfway plans to big a full lunar eclipse ticker enactment connected Monday nighttime from 11 p.m. to 4 a.m., with a unrecorded presumption led by astronomer Gerald McKeegan astatine midnight. A partial eclipse tin inactive beryllium seen until 5:56 a.m.

“You don’t request to spell precise far,” Gates said. “If you don’t person excessively galore trees oregon streetlights, astir radical tin spot it from their backyard.”

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