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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)
Yesterday 08:57 PM
by Gerald Kelleher Go to last post
66 554
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 39
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
4 208
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
59 607
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
90 630
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
5 521
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
2 590
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
15 539
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
1 467
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
4 225
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
4 603
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
5 463
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
3 441
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
2 560
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
1 189
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
2 582
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
10 499
Astra geostationary satellites through telescope by StarDust
https://www.youtube.com/watch?v=rIesWBTUeiI It's called Geostationary Oscillation. Not all geo sats are directly above the equator, they can be slightly...
(Multi-page thread 1 2)
December 2nd 18 11:21 AM
by Gerald Kelleher Go to last post
10 559
#MeToo About to Send America into a New Dark Age by Quadibloc
Perhaps that is just a bit hyperbolic, but I was truly shocked and dismayed to encounter this news...
December 2nd 18 06:47 AM
by RichA[_6_] Go to last post
4 547
Walking back to climate research by Gerald Kelleher
Had Copernicus not made the compromise to predictive modelers, planetary climate would be discussed normally as the rate of change in surface condition across...
November 30th 18 10:34 PM
by Gerald Kelleher Go to last post
0 542
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