Canals

"Jeff1844" wrote in message ... I just got set up for digital solar photography. What...

On the radio this morning, they said Mars will get within 36 MILES of Earth at the end of the month. Guess I won't need a telescope! God, the media are such...

http://rao.150m.com/New.html -- Richard Robinson Photons are fast.... I catch them! http://astro.outerspaceconsultants.com

I am trying to understand the effects of field rotation and I just did some calculations to derive expressions for the amount of field rotation given an...

Anyone tried the new Vixen Sphinx mount and associated StarBook LCD goto controller (looks like a...

If Nasa's past (non)actions is any indicator, a decaying orbit followed by a burn-up in the atmosphere is the future of HST, no doubt about it. Nasa has become...

When setting up a GOTO scope, you go through an alignment process. I have an ETX-90; I assume the alignment is similar for all GOTO scopes -- point it north,...

Hi everyone I'm a newbie to the world of astronomy/astrology. Can anyone recommend some good books or websites about the topic? Thanks in advance. Best...

A few months ago I bought a pair of Orion Expanses (2nds) and tripled the size of my EP collection. I started with a TV 32mm Plossl and added the Expanse 20mm...

Tony Rice wrote: Any recomentations on an entry level telescope, an the necessary adapters to mount to a digital camera (Canon G3 for what it's worth), ...

Hello, all: There has been some discussion on SAA and elsewhere on whether long exposure imaging is practical with a Dob or whether the equatorial platform...

Hi. Our astronomical society just got some donated ham radio equipment. I'm hoping we can get it set up in time for the Perseid meteor shower. Looking for any...

http://www.cloudynights.com/howtos2/hitchhiker.htm Al M

Does anyone have any experiences with the William Optics 110mm Apo refractor? It is said to be a TEC lense design. It has a 4" focuser, obviously designed for...

I'm seriously considering a SCT and I'm doing some research. I don't want to spend much more then $1500 so I'll be watching AstroMart closely for a good buy. ...

Hello, I am a serious amateur nature photographer with a long interest in astronomy and star gazing. I have done some fixed camera astrophotography, as well...

Dyer also wrote very positively about the Stellarvue AT1010 Nighthawk mentioning that it ". . .performed better than any short-focus achromat I have seen"...

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Boy, does that bring back memories, Ed...thanks for sharing it with us. I was fortunate enough to be stationed at U-Tapao AB, Thailand the Christmas of 1970...