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New Meade telescopes. LX65. Dual tube mounts by RichA[_6_]
Inexpensive I'd guess. https://www.meade.com/lx65-telescopes.html?cat=5
June 11th 18 02:06 PM
by Quadibloc Go to last post
1 143
Amateur Astronomy: Observatory Rehab by Davoud[_1_]
I have donated my Takahashi TOA-150, my Astro-Physics 1200GTO CP4, and my SBIG STL1100M camera http://www.primordial-light.com/observatory.html#twoscopes to...
June 9th 18 06:06 AM
by Chris.B[_3_] Go to last post
6 196
Radio Meteor Obs. Bull. May 2018 by Chris Steyaert
Radio Meteor Observation Bulletin No. 298 of May 2018 (48 K) is available now as http://www.rmob.org/rmobtext/rmob1805.txt More information and the visual...
June 8th 18 07:36 PM
by Chris Steyaert Go to last post
0 136
Crustal dynamics by Gerald Kelleher
The proposal emerged in 2005 via and another newsgroup that the 26 mile spherical deviation between Polar and Equatorial diameters and the Mid Atlantic Ridge...
June 8th 18 08:38 AM
by Gerald Kelleher Go to last post
3 137
There is no free dissemination of information, here's why by RichA[_6_]
People think universities are founts of free information, that they're research is distributed to all interested characters? Doesn't happen. Think paying $40...
June 6th 18 08:32 AM
by RichA[_6_] Go to last post
0 134
Asteroid hits Earth, nothing happens by Quadibloc
Interesting news item: http://www.theregister.co.uk/2018/06/04/nasa_asteroid_2018_la/ John Savard
June 5th 18 02:41 PM
by Chris L Peterson Go to last post
1 130
Ring of fire? - Somsing goin' on? by StarDust
At least 6 killed, 20 hurt by erupting volcano in Guatemala http://www.startribune.com/guatemala-volcano-blankets-nearby-villages-with-ash/484427501/
June 5th 18 07:04 AM
by Gerald Kelleher Go to last post
6 137
Growing into a new approach by Gerald Kelleher
Planetary climate on a solar system scale is common to all planets regardless of composition or distance from the Sun so long as a planet has an...
June 4th 18 09:03 PM
by Gerald Kelleher Go to last post
1 124
All Those White Dwarfs by Quadibloc
but not one of them closer than Alpha Centauri, apparently, so the textbooks aren't...
June 4th 18 05:10 AM
by Quadibloc Go to last post
1 143
China launch will prep for Moon landing by StarDust
http://www.bbc.com/news/science-environment-44198673 China has launched a relay satellite to prepare for a lunar rover mission planned for later in the...
(Multi-page thread 1 2 3 ... Last Page)
June 1st 18 05:17 AM
by StarDust Go to last post
30 441
Questar 5 specifications released, mounting specs later? by RichA[_6_]
Curious to see if they produce a modernized, electronicized mount or just a regular none Goto unit, perhaps with DC...
May 31st 18 12:50 AM
by RichA[_6_] Go to last post
9 296
meteorobs mailing list by [email protected]
What happened to the meteorobs mailing list? The former website for it appears to be junk now...
(Multi-page thread 1 2)
May 29th 18 05:04 PM
by [email protected] Go to last post
10 475
Illusory loops vs actual loops. by Gerald Kelleher
The geocentric astronomers since the time of the Greeks observed that while the Sun appeared to travel through the background stars directly, all planets would...
(Multi-page thread 1 2 3)
May 26th 18 06:48 PM
by Gerald Kelleher Go to last post
26 437
North Korea to become magnet for amateur astronomers? by Chris.B[_3_]
With the previously closed country opening up to exploitation the dark skies could attract amateur...
(Multi-page thread 1 2)
May 26th 18 06:36 AM
by Chris.B[_3_] Go to last post
15 361
It took NASA...four years to design a drone. by RichA[_6_]
http://www.bbc.com/news/world-us-canada-44090509
(Multi-page thread 1 2 3)
May 25th 18 01:16 AM
by RichA[_6_] Go to last post
22 427
Some More Light Pollution by Quadibloc
Intended to be in a good cause... http://mashable.com/2018/01/24/rocket-lab-humanity-star-satellite-brightest-object/#yQ.3YRxqwqqZ John Savard
May 22nd 18 11:32 AM
by Mike Collins[_4_] Go to last post
2 251
KÄ«lauea by Gerald Kelleher
This part of the Earth's geology brings it closest to that of Venus as the volcano itself is far from crustal boundaries where most of the evolutionary geology...
May 16th 18 07:21 AM
by Chris.B[_3_] Go to last post
2 196
Full moon at the South Pole by Gerald Kelleher
https://www.moongiant.com/phase/today/ https://www.usap.gov/videoclipsandmaps/spwebcam.cfm What a difference the diminishing light of the moon makes as...
May 10th 18 06:31 AM
by Gerald Kelleher Go to last post
7 226
First day of summer by Gerald Kelleher
The Celtic tradition broke the year into the light half which starts half way between Equinox and Solstice on May 1st (closest date) while the dark half began...
May 2nd 18 08:27 AM
by Gerald Kelleher Go to last post
1 230
Questar 5 specifications released: by RichA[_6_]
Interesting. An in-baffle tube field flattener. I'd probably have made it outboard and a f-stop reducer, but this still looks good. Figure maybe $5000 for the...
April 30th 18 12:51 AM
by Davoud[_1_] Go to last post
5 753
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