Lompoc, California, USA

Sunday, April 20, 2025

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Lompoc, California, USA

Rocket launch

Falcon 9 Block 5 | NROL-145

Launched - good from here

Lifted off 5:29 AM

Very LowExcellent

Space jellyfish possible 5:34 AM–5:37 AM, SSE about 17° up

Look
W
Crossing your sky
When
5:29 AM
Highest around 5:30 AM
Distance
9 mi
Climbs to
56°
Lighting
Twilight window
Launch site
Space Launch Complex 4E
Vandenberg SFB, CA, USA
Landing
Sea - Of Course I Still Love You
Too far downrange to see

The sun is far enough down that the ground is dark and still high enough to light the plume: exhaust expanding into near-vacuum turns into a glowing bell visible for hundreds of miles.

That morning

Sunrise

6:23 AM

6:23 AM

5:57 AM Blue hour
6:23 AM Sunrise
6:57 AM Golden hour ends

Sunset

7:38 PM

7:38 PM

Too far ahead for a weather forecast. These are the sun's own times - they will not change.

7:03 PM Golden hour
7:38 PM Sunset
8:04 PM Blue hour ends

Meteor shower

Lyrids

Best around 3:53 AM

Very LowExcellent
9:08 PM Dark enough
2:47 AM Moonrise
3:53 AM Best
4:52 AM Too light
Estimate
~11/hour
from a dark spot here, off its peak night
Radiant climbs to
74°
Under a perfect sky
18/hour
Moonlight
11% lost
Speed
49 km/s

The estimate is how many you might really see from a dark spot here, allowing for how high the shower climbs and for moonlight. "Under a perfect sky" is the best case. The bar also counts the forecast cloud at the best time, so a clouded-out night sits at the bottom, as does rain on the radar now.

Usually steady, but now and then it has a short burst of many more.

Milky Way

Milky Way

Poor viewing

Visible from 1:08 AM

Very LowExcellent
Visible, no moon
1:08 AM to 2:38 AM
Where to look
South-southeastern horizon, up to 19° above it
Highest at
2:38 AM
Sky fully dark
9:08 PM to 4:51 AM
Sky darkness
Limited
Cloud
Not forecast yet

The bright center of the Milky Way: when it is above the horizon with the sky fully dark and the Moon set, brought down for how dark the sky is here (estimated from the towns around by Walker's law) and for cloud where the forecast reaches.

Moon

Last quarter

53% lit

2:47 AM – 12:58 PM

ESE WSW
2:47 AM Moonrise
3:09 AM 4°
7:52 AM Highest, 33°
12:35 PM 4°
12:58 PM Moonset

Between the two 4° marks the Moon is clear of haze and most of what stands on the horizon.

Timetable

  • Moonrise 2:07 AM
  • Morning blue hour 5:57 AM–6:23 AM
  • Morning best color 6:18 AM
  • Sunrise 6:23 AM
  • Morning golden hour 6:23 AM–6:57 AM
  • Moonset 11:51 AM
  • Evening golden hour 7:03 PM–7:38 PM
  • Sunset 7:38 PM
  • Evening blue hour 7:38 PM–8:04 PM
  • Fully dark 9:08 PM–4:51 AM
  • Dark, no Moon 9:08 PM–2:48 AM

Upcoming celestial events for Lompoc, California, USA

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