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NASA never expected to have to re-position its drilling probe? by RichA[_6_] Ever dig in soil and hit a rock? Seems NASA didn't expect it. Pretty stupid. https://www.bbc.com/news/science-environment-47469071	March 10th 19 10:09 PM by Chris L Peterson	9	3,886
A Taxonomy of Auroras by Canopus I have been socked in under a cloud cover for about a week, admiring the many photographs being posted on the web of auroras that resulting from the recent...	November 12th 04 08:03 AM by Canopus	0	3,880
Motorized Drives for SuperPolaris Mount by mpl I am looking for recomendations for drive motors for my C8 SuperPolaris. I have found that JMI and Vixen have them. Are there any other manufacturers? Is... ( 1 2)	December 14th 04 07:01 PM by matt	13	3,874
Sunrise by Science Fan What's the name of the phenomenon that causes the sun to continue to rise later, even though the winter solstice has passed? TIA. ( 1 2 3 ... Last Page)	February 2nd 12 06:10 PM by oriel36[_2_]	107	3,866
Halley Cartoon by John Whisenhunt Just had to share this cartoon from today's news. I love it when astronomy, bad puns, and clever cartoonists all get...	October 6th 04 06:18 PM by Alexander Avtanski	3	3,850
Losmandy G-11 vs Celestron CG-11 vs Celestron CGE by Craig M. Bobchin Hi all, I'm looking to pull my 10" LX200 GPS off the forks and put it on GEM. I'm considering a new Losmandy G-11 or CGE, but I have a chance to get a used... ( 1 2)	July 13th 06 12:50 AM by Stephen Paul	12	3,844
Tele Vue's customer support policy by Del Johnson I purchased a new Tele Vue Genesis SDF refractor several years ago for my father to use in Africa while serving as a Peace Core volunteer. This required that... ( 1 2 3 ... Last Page)	July 22nd 03 10:17 AM by Ted Kord	65	3,844
In-camera sky tracking without an equatorial mount by RichA[_6_] Pentax has this feature in some of their DSLRs. The sensor utilizes it's IBIS (internal vibration stabilization) mode of the sensor, but the motion tracks the...	March 14th 19 10:55 PM by RichA[_6_]	6	3,844
A game for oriel36 et al to play by badastrobuster There are still a few people here who attempt to convince oriel36 of the error of his reasoning. I have claimed that he just simulates stupidity to annoy,... ( 1 2 3 ... Last Page)	January 30th 15 08:30 AM by oriel36[_2_]	117	3,838
The Future of Amateur Astronomy by Sketcher After looking over Sam's recent posting of the "Sky&Telescope Weekly Update" and reading the online article about the graying of amateur astronomy I decided to... ( 1 2 3 ... Last Page)	September 24th 13 11:36 AM by [email protected]	132	3,829
What Kind of Organization Questions Global Warming? by Quadibloc Just saw this news article: http://arstechnica.com/tech-policy/2015/04/anti-municipal-broadband-group-tries-to-silence-a-critic/ This sort of thing should... ( 1 2 3 ... Last Page)	May 5th 15 10:06 PM by Mike Collins[_4_]	149	3,818
President Bush / Astro - Relevant by Hi, I haven¹t posted to sci.astro.amateur for a while. But I have been a "lurker" and have enjoyed much of the information about telescopes, and the little... ( 1 2 3)	September 18th 03 10:11 PM by Howie Glatter	28	3,813
This is no taunt by Gerald Kelleher It often happens that many announce the insight of Galileo where the satellites of Jupiter run their circuit around their parent planet as one of the great...	March 18th 19 07:19 PM by Gerald Kelleher	5	3,808
NGC1647 Open cluster - Help in field testing a draft cluster magnitude chart by PrisNo6 This post is to request the group's assistance in field testing a visual magnitude chart for NGC1647, an open cluster in the Taurus constellation. The purpose... ( 1 2 3)	March 22nd 04 01:15 AM by PrisNo6	21	3,802
Buying a new telescope...suggestions welcome by Zarkovic Hello there fellow astronomers I am new to this newsgroup, but I have been a member of alt.astronomy for a while now. I am here thanks to Starlord, one of your... ( 1 2 3 ... Last Page)	July 27th 05 04:30 PM by Zarkovic	110	3,788
ASTRO: Widefield North American Nebula/Pelican/IC5068 in [SII], Ha and [OIII] by Richard Crisp here are two different palettes used for the Na Nebula/Pelican IC5068 complex. http://www.rdcrisp.darkhorizons.org/ngc7k_ic5070_ic5068_page.htm This is... ( 1 2 3 ... Last Page)	January 8th 04 02:38 PM by Richard Crisp	69	3,778
Limiting Magnitude of 10x50 Binoculars by NJ Charlie I've been enjoying my new Leupold 10x50s for the past six weeks. I have yet to see magnitude 7.9 Neptune, but for the past week Ceres has been quite easy. ...	November 10th 07 10:38 PM by Andrew Smallshaw	5	3,769
46P, can't see by StarDust I live in the city, major light pollution, could not see 46P with my 80mm APO, mounted on NexStar GT goto. I know my GOTO points to the right location. I slew... ( 1 2 3 ... Last Page)	December 13th 18 07:41 PM by Mike Collins[_4_]	59	3,769
Edge of Earth Obs. Report by Sketcher From my location on the edge of the planet (Let it go Gerrald!) the times for maximum totality and moonset were the same. The umbral phase of today's lunar... ( 1 2 3 ... Last Page)	December 14th 11 11:53 PM by oriel36[_2_]	46	3,768
Global warming BS by [email protected] More BS: World Meteorological Organization Flunks History JunkScience.com, December 18, 2007 "The World Meteorological Organization says 2007 is shaping up... ( 1 2 3 ... Last Page)	January 20th 08 12:38 AM by BradGuth	108	3,762

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