"Professor Goddard does not know the relation between action and reaction and the need to have something better than a vacuum against which to react. He seems to lack the basic knowledge ladled out daily in high schools."
--1921 New York Times editorial about Robert Goddard's revolutionary rocket work.
"Correction: It is now definitely established that a rocket can function in a vacuum. The 'Times' regrets the error."
NY Times, July 1969.
Hydrogen Filter used
on Thu, 01/24/2008 - 8:09pm
`This image of the Crecent Nebula NGC 6888 is the results of 60 one minute images combined, taken thru Orion 80ED on a Vixen GPD mount using a Starlight Xpress SXV H9 ccd.
Crescent Nebula
on Wed, 01/23/2008 - 8:20pm
Well, I went to
http://existentia.com/g2/main.php?g2_itemId=140
and found out what this image is. OK. Cool shot.
Ha image
on Wed, 01/23/2008 - 9:36am
Hey Gene,
Do you have a Hydrogen alpha filter?
Yes John, I have many
on Thu, 01/24/2008 - 8:10pm
Yes John, I have many different filters for various results depending on the subject matter being taken.