September 2020
M T W T F S S
« Oct    
 123456
78910111213
14151617181920
21222324252627
282930  

Pages

Autumn observing - around the South Galactic Pole

Herald-Bobroff Astroatlas

Astroatlas B Chart page for Grus and Telescopium, well below Capricornus and Sagittarius

NGC131 and 134 and a 5-spot of mag 10 stars

NGC55 image by Morris Jones, used with permission

While Mojo and I were observing at Amboy Crater on October 22, 2011, Cliff, another observer at the site pointed [...]

Chasing Galileo: the Trapezium

Galileo’s Trapezium

My Trapezium sketches

Galileo’s observed the Trapezium stars in the sword of Orion on February 4, 1617. He labeled the three stars “c”, “g”, and “i”. These stars are known now as the “D”, “C” and “A” components of Theta 1 Orionis, or 41 Orionis. He did not see the fainter [...]