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Comet-like object seen moving across the evening sky (but cometsdon't move a few degrees in a few minutes!) by Uncle Bob[_2_]
Last evening I was in Vallejo, CA (38n,122W) at 1830 pst and observed, to my astonishment, a naked-eye comet-like object moving across the sky about 20deg S of...
(Multi-page thread 1 2 3)
February 15th 18 03:10 AM
by Davoud[_1_] Go to last post
23 837
Direct/retrograde loops by Gerald Kelleher
The geocentric astronomers up to the time of Copernicus saw that all planets would occasionally process a loop against the background stars...
February 12th 18 08:08 AM
by Gerald Kelleher Go to last post
6 450
Viewing Sun with Baader Solar film by [email protected]
Hi All, With Baader Solar Film, Will I be able to see Granular view of Sun and Dark Spots?? I have Celestron 127 Power Seeker telescope. Have any one used...
February 12th 18 05:33 AM
by RichA[_6_] Go to last post
4 389
Space Shuttle still MILES better than egomaniac Musk's "Space-X" by RichA[_6_]
More flexible, more powerful. http://money.cnn.com/2018/02/06/technology/future/biggest-rockets-falcon-heavy-comparison/index.html
February 11th 18 07:54 AM
by Chris.B[_3_] Go to last post
9 432
Another source of light pollution by RichA[_6_]
Paris has rules against shop lights from 1-5am to deal with light pollution and energy waste. So of course, someone had to try to go around the...
(Multi-page thread 1 2 3 ... Last Page)
February 9th 18 02:32 PM
by Chris L Peterson Go to last post
106 1,654
Twin Takahashi set-up. Nice photos by RichA[_6_]
https://www.diyphotography.net/gear-methods-shooting-deep-space-photographer-spotlight-qa-astrophotographer-sara-wager/
February 6th 18 10:31 PM
by RichA[_6_] Go to last post
5 437
Most observers dormant in cold weather by RichA[_6_]
And why not? Cold weather kills about 3 million people a year world-wide, about 150,000 people alone in the U.S. and 50,000 in Britain, despite them being a...
February 5th 18 07:29 AM
by Chris.B[_3_] Go to last post
3 295
Radio Meteor Obs. Bull. January 2018 Bootids by Chris Steyaert
Radio Meteor Observation Bulletin No. 294 of January 2018 (63 K) is available now as http://www.rmob.org/rmobtext/rmob1801.txt More information and the...
February 3rd 18 03:57 PM
by Chris Steyaert Go to last post
0 530
ANOTHER source of "astronomical" pollution. by RichA[_6_]
A--hole New Zealander. https://mashable.com/2018/01/25/rocket-lab-humanity-star-bad-for-astronomy/
(Multi-page thread 1 2)
February 1st 18 02:34 PM
by Chris L Peterson Go to last post
12 689
Not an ideal eclipse of the moon in N. America tomorrow by RichA[_6_]
Well, it's only partial in the N.E.part of North America. It begins around 5:00am, the max is around 7:30 and the moon sets 4 minutes later! Plus. -12C here...
January 31st 18 03:11 AM
by RichA[_6_] Go to last post
0 400
cave astrola scopes by [email protected]
My astronomy club has a 16 inch cave astrola. I would like to fix or improve the drive but need schematics and or manual. Does anyone have their manual? Ted
January 31st 18 01:04 AM
by RichA[_6_] Go to last post
4 564
The so-called inverse square law by Gerald Kelleher
Despite comments on the demise of sci.astro.amateur, the people involved in magnification and identification have moved to moderated forums so don't have to...
January 28th 18 12:57 PM
by Gerald Kelleher Go to last post
2 278
No Significant Relief from Global Warming by Quadibloc
due to this particular cause... http://www.theregister.co.uk/2018/01/19/sun_earth_drift/ John Savard
(Multi-page thread 1 2 3 ... Last Page)
January 28th 18 07:39 AM
by Chris.B[_3_] Go to last post
68 1,095
Time to get serious.. and back on topic! by Chris.B[_3_]
Now, even better than light pollution!??! https://preview.tinyurl.com/ydae2tul Aren't disco mirror balls so yesterday? ;-)
January 26th 18 08:22 AM
by Chris.B[_3_] Go to last post
7 410
Galileo and the emergence of telescopes by Gerald Kelleher
Skipping through the channels once more I came across a NOVA documentary on telescopes but also found the same doc on YouTube...
January 24th 18 09:03 PM
by Gerald Kelleher Go to last post
0 433
Remark on a comment made by Gerald Kelleher
A while ago one of the contributors, with the appropriate pseudo-authority of an echo chamber, announced that mathematical voodoo is more relevant than normal...
(Multi-page thread 1 2 3)
January 24th 18 08:16 AM
by Chris.B[_3_] Go to last post
26 820
Hapax legomenon by Gerald Kelleher
It is perhaps one of the loveliest passages found in one of the books in the Bible - "Canst thou bind the sweet influences of Pleiades, or loose the bands of...
January 23rd 18 07:23 PM
by Quadibloc Go to last post
2 484
Want to know the REAL future of climate? Ask an astronomer by RichA[_6_]
(Phys.org)—Is Earth slowly heading for a new ice age? Looking at the decreasing number of sunspots, it may seem that we are entering a nearly spotless solar...
(Multi-page thread 1 2 3 ... Last Page)
January 20th 18 07:08 AM
by Chris.B[_3_] Go to last post
51 1,372
Might be useful for observers by RichA[_6_]
https://medicalxpress.com/news/2017-11-specks-vision-zap.html#nRlv
January 19th 18 04:23 AM
by RichA[_6_] Go to last post
0 439
PBS 2 hour "Black Hole Apocalypse" NOVA special was pretty good by RichA[_6_]
Perhaps a bit derivative of parts of Cosmos and The Elegant Universe and the lady astrophysicist wasn't the most compelling narrator, but the info on the LIGO...
January 18th 18 03:25 PM
by Jibini Kula Tumbili Kujisalimisha Go to last post
6 442
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