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Observatory Parameters
Feb 23
Lat. 39.0, Lon. -77.5
Clouds: Seeing:
First Quarter
11:33 01:00


This website stands on the shoulders of these giants (listed alphabetically):

Aladin Lite
Online sky atlas used in the telescope simulator.
Dark Sky
For the weather forecast service
Dr. Wolfgang Steinicke
For the Revised NGC/IC catalogues
FamFamFam flag icons
Incredibly popular icons of country flags.
Font Awesome
Lightweight icons implemented as a web font.
Beautiful weather forecast.
Fred Espenak
Calendar of astronomical events based on Fred Espenak's calendar.
Automatic location detection based on IP addresses.
Google Sky
Based on the Google Maps engine, lets us browse the night sky.
NGC/IC Project
Thousands of images for NGC objects.
Saguaro Astronomy Club
They provided the initial deep sky objects database.

Astronomy Articles

· Universe Today

Maybe There’s no Connection Between Supermassive Black Holes and Their Host Galaxies?

A recent study by an international team of scientists has indicated that there may be no connection between SMBHs and star formation in a galaxy. The post Maybe There’s no Connection Between Supermassive Black Holes and Their Host Galaxies? appeared first on Universe Today.
· Hubble - News feed

Improved Hubble Yardstick Gives Fresh Evidence for New Physics in the Universe

New Survey Is the Most Precise Measurement of the Universe's Expansion Rate The good news: Astronomers have made the most precise measurement to date of the rate at which the universe is expanding since the big bang. The possibly unsettling news: This may mean that there is something...
· Universe Today

SpaceX Launches the First of Thousands of Space Internet Satellites, but Didn’t Quite Catch the Fairing

After multiple delays, SpaceX’s PAZ mission launched from from Space Launch Complex 4 East (SLC-4E) at Vandenburg Air Force Base on the morning of Thursday, February 22nd. Shortly after it reached orbit, the rocket deployed its payload (the PAZ Earth Observing satellite) as well as and two...
· Space.com

Jeff Bezos' Giant Clock Will Tick for 10,000 Years, But You'll Never Find It

Would you pay $42 million for a clock that ticks once a year?
· Space.com

Why Elon Musk Is Stepping Down from AI Safety Group He Co-Founded

The move could have implications for artificial intelligence development at Tesla.
· Space.com

SpaceX Launches 1st Test Satellites for Starlink Internet Constellation Along with Spain's Paz

A SpaceX Falcon 9 rocket with a pre-flown first stage successfully delivered to orbit today (Feb. 22) the first two prototypes for the company's huge satellite-internet constellation, along with a Spanish Earth-observing spacecraft.
· Space.com

Image of the Day

In this stunning view from the International Space Station, a Russian Progress cargo spacecraft orbits above the nighttime side of the Earth as sunlight illuminates the atmosphere around the horizon.
· Space.com

SpaceX's Dragon: First Private Spacecraft to Reach Space Station

The Dragon spacecraft first reached the International Space Station in 2012.

Astronomy Quote of the Day

“No one regards what is before his feet; we all gaze at the stars.” Quintus Ennius
Astronomy Planning Made Easy. Learn more.