"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.

— New York Times

M27 in Vulpecula

By marzulloj at Tue, 10/15/2013 - 10:24pm
M27 in Vulpecula

Two hour H alpha light image combined with two red green and blue images of 5 minutes each.

Image taken October 14 2013 from my driveway in Verona, with gibbous moon up high.

Nice One

Submitted by kuky
on Thu, 10/17/2013 - 1:47pm

- You s'd try OIII on M27
a lot of it

I'll have to buy one. The

Submitted by marzulloj
on Thu, 10/17/2013 - 5:22pm

I'll have to buy one. The last one I had got delaminated, as did the one before that.
They were both Schuler..... cheap??

OIII Astronomik

Submitted by kuky
on Fri, 10/18/2013 - 9:43am

Here OIII only M27
http://existentia.com/g2/v/t150/m27-o3-6h.jpg.html

I think I have this one
http://www.astronomik.com/en/photographic-filters/oiii-ccd-filter.html

I checked the oiii image.

Submitted by marzulloj
on Sat, 10/26/2013 - 3:59pm

I checked the oiii image. Really something.