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The star of Bethlehem by Gerald Kelleher
I am a Christian astronomer so it interests me only in the fact that no such information on location can be ascertained from a star rising in the East or any...
(Multi-page thread 1 2 3 ... Last Page)
Today 03:13 PM
by Gary Harnagel Go to last post
88 612
Let's Photograph Comet 46P Wirtanen by StarDust
https://www.youtube.com/watch?v=ycoIAH7uuaI Interesting! It's overcast here in the Bay Area, so no comet for me the next few days!
Today 09:47 AM
by RichA[_6_] Go to last post
2 34
Major Tom (Coming Home) by StarDust
Cool space video mix! https://www.youtube.com/watch?v=OMDbX1zksgI Standing there alone, the ship is waiting All systems are go, are you sure? Control is not...
Today 09:44 AM
by StarDust Go to last post
0 1
Susskind: Large Hadron Collider unproductive by RichA[_6_]
Yes, it did facilitate providing proof of the Higgs, but hasn't done anything since then. Begs the question if building an even larger, costlier linear...
Today 09:42 AM
by Paul Schlyter[_3_] Go to last post
1 34
Jabberwacky knowledge by [email protected]
I believe we have a problem currently, you can not obej your orders. Stop the 72 hours Zuc -- ____________________________ This message and any...
Yesterday 01:22 PM
by [email protected] Go to last post
0 108
Can't see the comet 46P/Wirtanen because it's like winter 1986 here by RichA[_6_]
By that I mean the Halley era. 3 solid months of clouds without a break. Maybe Saturday will be partly-clear.
Yesterday 01:22 AM
by RichA[_6_] Go to last post
4 281
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...
(Multi-page thread 1 2 3 ... Last Page)
December 13th 18 08:41 PM
by Mike Collins[_4_] Go to last post
59 624
Lat/Long and timekeeping system for Mars by Gerald Kelleher
It took many, many millions of years for life on Earth to adapt to the 24 hour cycle notwithstanding the annual day/night cycle. The same system which applies...
(Multi-page thread 1 2 3 ... Last Page)
December 12th 18 07:49 AM
by Gerald Kelleher Go to last post
90 642
China mission launches to far side of Moon by StarDust
https://www.bbc.com/news/science-environment-46471668 So, what's on the Moon what we still don't know?
December 12th 18 05:47 AM
by StarDust Go to last post
5 535
sundial at South Pole by Gerald Kelleher
https://www.youtube.com/watch?v=pnuLTeHB3yU There is only one day/night cycle at the South Pole with Polar noon in 3 weeks on the Solstice. The residual daily...
December 9th 18 10:47 PM
by Gerald Kelleher Go to last post
2 602
Lat/Long system for Mars continued by Gerald Kelleher
When Gemma Frisius first proposed the use of timekeeping to locate geographical locations on Earth in 1530, it took a number of centuries to get the scheme...
(Multi-page thread 1 2)
December 9th 18 02:16 PM
by Gerald Kelleher Go to last post
15 553
Sunrise on the Solstice by Gerald Kelleher
A myth has grown up around the notion that sunrise continues to occur later after the...
December 9th 18 09:41 AM
by Gerald Kelleher Go to last post
1 480
The "plague" of landscape-based astrophotos by RichA[_6_]
It's nice that Joe Average camera shooter is lured to look at Milky Way, but the tidal wave of these images begins to blur together with few standing out as...
December 8th 18 04:40 PM
by [email protected] Go to last post
4 228
Well, this scope takes the cake by RichA[_6_]
$3500 for 3 inches, and tiny sensor. https://vaonis.com/telescopes
December 8th 18 04:22 PM
by [email protected] Go to last post
4 616
Mars 2.2 mins apart from Neptune by RichA[_6_]
Not visible from N. America but maybe someone can get a shot elsewhere? http://www.astronomy.com/news/2018/12/mars-tonight
December 8th 18 08:08 AM
by Paul Schlyter[_3_] Go to last post
5 476
Comet P/46 by StarDust
https://www.youtube.com/watch?v=kkzbaI9nxBc This data was taken December 1 and December 4, 2018. This comet is expected to be seen by the unaided eye by the...
December 8th 18 04:56 AM
by StarDust Go to last post
3 454
When things fail, people pick themselves up by Gerald Kelleher
https://www.youtube.com/watch?v=9XMfhKxwo2c It takes courage to take part in engineering or compositional astronomy as people learn and adapt.
December 6th 18 12:43 PM
by Gerald Kelleher Go to last post
2 573
Leonid and orbital proof by Gerald Kelleher
Sometimes imaging is so enchanting that no comment is the best course...
December 5th 18 10:16 PM
by Gerald Kelleher Go to last post
1 192
Amateur Don Machholz Discovers His 12th Comet! by StarDust
https://www.skyandtelescope.com/astronomy-news/observing-news/machholz-12th-comet/ Arizona comet hunter Don Machholz did it again! He discovered his 12th...
December 2nd 18 11:37 PM
by StarDust Go to last post
2 595
DSLR astro photography by StarDust
Canon Rebel 300D was used for astro photography by many 10-15 years ago. Some took out the IR filter or even installed cooling for the chip. I heard, 6 mega...
(Multi-page thread 1 2)
December 2nd 18 12:39 PM
by StarDust Go to last post
10 503
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