Steve Allen
@sla29970.bsky.social
Missionary for UCO/Lick Observatory
moon with liquidambar
November 3, 2025 at 1:42 AM
moon with liquidambar
drone view of sunset behind Kresge crane
August 28, 2025 at 3:53 AM
drone view of sunset behind Kresge crane
Lick Observatory, View West from Mt. Hamilton into Sun
Ansel Adams around the time I was born vs. today.
Now we know where he was standing with his camera.
Ansel Adams around the time I was born vs. today.
Now we know where he was standing with his camera.
August 20, 2025 at 3:33 AM
Lick Observatory, View West from Mt. Hamilton into Sun
Ansel Adams around the time I was born vs. today.
Now we know where he was standing with his camera.
Ansel Adams around the time I was born vs. today.
Now we know where he was standing with his camera.
Do I own this place yet?
August 1, 2025 at 2:30 AM
Do I own this place yet?
fog barely let me get a very south (but not southmost) moonrise
July 10, 2025 at 4:50 AM
fog barely let me get a very south (but not southmost) moonrise
Reposted by Steve Allen
Vernier signals attempted accurate difference of local and remote broadcast time when poor radio propagation made comparison by ear difficult. Advocating this to replace the American scheme was the ostensible reason the original International Time Bureau director was ejected and BIH was reorganized.
April 19, 2025 at 11:53 PM
Vernier signals attempted accurate difference of local and remote broadcast time when poor radio propagation made comparison by ear difficult. Advocating this to replace the American scheme was the ostensible reason the original International Time Bureau director was ejected and BIH was reorganized.
Reposted by Steve Allen
There were many different schemes for radio broadcast time signals. European astronomers considered the "American" scheme aberrant.
April 19, 2025 at 11:46 PM
There were many different schemes for radio broadcast time signals. European astronomers considered the "American" scheme aberrant.
Before Pearl Harbor day
libraries.ucsd.edu/speccoll/dsw...
libraries.ucsd.edu/speccoll/dsw...
March 22, 2025 at 8:25 PM
Before Pearl Harbor day
libraries.ucsd.edu/speccoll/dsw...
libraries.ucsd.edu/speccoll/dsw...
one of these birds is not like the other
March 12, 2025 at 7:35 PM
one of these birds is not like the other
bees helping with the apricots
March 9, 2025 at 9:36 PM
bees helping with the apricots
As spring approaches the sun no longer rises and sets over water.
March 9, 2025 at 4:37 PM
As spring approaches the sun no longer rises and sets over water.
One Way Or Another
February 22, 2025 at 7:04 PM
One Way Or Another
sunrise over the cement ship
February 15, 2025 at 6:32 PM
sunrise over the cement ship
provide a safe place
get enough rest
get enough rest
February 12, 2025 at 5:40 AM
provide a safe place
get enough rest
get enough rest
cross-quarter sunset
February 6, 2025 at 3:09 AM
cross-quarter sunset
What's up? Cat and squirrel, that's what's up.
February 3, 2025 at 1:54 AM
What's up? Cat and squirrel, that's what's up.
there is a rodent in that lavender bush
January 31, 2025 at 5:33 AM
there is a rodent in that lavender bush
pre-dawn serenade by a pair of great horned owls
January 18, 2025 at 8:50 PM
pre-dawn serenade by a pair of great horned owls
birch seeds are winter food
January 13, 2025 at 12:40 AM
birch seeds are winter food