Sunspot group #798 that developed rapidly with flare activity over the last week has reached the west limb and produced a big multi-looped prominence. My pic...

Some weak auroral activity noted around 2:30-3:00 am, morning of 26th. Nothing special, couple large faint green bands running east-west, the lower and...

I have never seen so many cloudy nights during the summer. There are thundershowers in my area nearly every afternoon and evening. It has been this way since...

I ran across this Blog http://mtinc.blogspot.com/ with a LED streetlight that has a spec statement "meets Dark Sky Initiatives". I presume that means it is a...

+++++++++++++++++++++++++++++++++++++++++++++++ Notice! The Count the Stars Con-Test has been extended because no one has yet come even close to the...

I purchased a new Celestron C-14 OTA with XLT optics last spring. I have been quite impressed with its visual performance. But recently, I noticed a disturbing...

I was hoping someone can provide me the input current capability of the LX200 Classic (10"). I have access to a 120/60, 10 amp input/output power line...

Was thread In another recent thread, the group discussed the general formula for the number of degrees viewable in the sky from any latitude across 24 hours...

Rat ~(); Where are you located in Colorado? I make frequent trips to Longmont/Boulder. Maybe we could get together for some observing? I usually bring a...

Hi, I'm looking for a quality telescope Newton of 350mm or upper, but in a close tube, not Truss. It will go mounted over an automatized Losmandy "Titan" in a...

Hi. In Celestia, if you travel between stars then you see other stars moving (relative to your position) past you on all sides like to often do in science...

Here's a website with comparative Ronchi test photos for refractors. The main site is he http://homepage3.nifty.com/cz_telesco/ The refractor tests are...

Is there a web site that shows the data with pictures of that LED Street light? -- The Lone Sidewalk Astronomer of Rosamond Telescope Buyers...

Hi, does anyone know any good websites where I could find some pictures taken by Orion StarBlast telescope? I read some interesting reviews on this scope,...

Hi Gang, we have some nice auroral displays here at 44 North 86 West during the last 20 minutes or so. Brightening in the north and surprisingly bright bands...

For a simulation project I'm looking for the Digital Elevation Map Data (hight map) of the small area where the Mars rovers navigate. Do you know if this...

Here is the viewing report I promised. Thursday, August 25, 2005 4:40 AM EST. The Pleiades are high in the sky, as is the waning moon. Humidity and dust are...

How good Parks telescopes are opticly(P-V, etc...), like the 8" f/6 Newts? Thx, Julius

I have recently bought a 8" Guan Sheng reflector, and some cheaper eyepieces (4 for AUD$99) - I never expected TOO much from these EP's, but feel they are...

Hello folks: I was considering about ASGT telescopes but decided not to buy due to vibrations problems that is not good for photography. Does anyone have...