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Search: Posts made by: RichA[_6_]
Forum: Amateur Astronomy February 22nd 19, 04:42 AM Posted to sci.astro.amateur
Replies: 2
Views: 1,994
Posted By RichA[_6_]
Japanese probe story on BBC: Panspermia again...

Yes, they wonder if they'll find evidence that asteroids provided the basic components of life and/or water. Why is it so hard to believe it was already ON Earth??
Forum: Amateur Astronomy February 15th 19, 10:33 PM Posted to sci.astro.amateur
Replies: 13
Views: 1,572
Posted By RichA[_6_]
Anyone know what these sensors are?

Visible as in in the image whether viewed on screen or printed. No one cares about the verbiage and the larger each pixel, the lower the visible noise at higher ISO. This is why Sony release a 12mp...
Forum: Amateur Astronomy February 15th 19, 02:14 PM Posted to sci.astro.amateur
Replies: 13
Views: 1,572
Posted By RichA[_6_]
Anyone know what these sensors are?

On Thursday, 14 February 2019 09:45:31 UTC-5, Chris L Peterson wrote:
On Wed, 13 Feb 2019 18:25:20 -0800 (PST), RichA
wrote:

Theory goes back to film, less...
Forum: Amateur Astronomy February 15th 19, 02:11 PM Posted to sci.astro.amateur
Replies: 37
Views: 1,748
Posted By RichA[_6_]
NASA's SLS rocket. Questions about it

On Friday, 15 February 2019 06:13:39 UTC-5, wrote:
On Friday, February 15, 2019 at 1:20:03 AM UTC-5, RichA wrote:
The SLS is the next giant rocket that will be used for...
Forum: Amateur Astronomy February 15th 19, 06:20 AM Posted to sci.astro.amateur
Replies: 37
Views: 1,748
Posted By RichA[_6_]
NASA's SLS rocket. Questions about it

The SLS is the next giant rocket that will be used for long range manned spaceflight, or the moon as a target. But it's way over budget (how much is really left for it after the ISS sucks up so...
Forum: Amateur Astronomy February 14th 19, 02:25 AM Posted to sci.astro.amateur
Replies: 13
Views: 1,572
Posted By RichA[_6_]
Anyone know what these sensors are?

On Wednesday, 13 February 2019 09:55:10 UTC-5, Chris L Peterson wrote:
On Tue, 12 Feb 2019 19:54:23 -0800 (PST), Quadibloc
wrote:

On Tuesday, February 12, 2019 at...
Forum: Amateur Astronomy February 12th 19, 07:10 AM Posted to sci.astro.amateur
Replies: 13
Views: 1,572
Posted By RichA[_6_]
Anyone know what these sensors are?

On Monday, 11 February 2019 14:33:30 UTC-5, Quadibloc wrote:
On Saturday, February 9, 2019 at 1:42:04 PM UTC-7, RichA wrote:
...
Forum: Amateur Astronomy February 9th 19, 08:42 PM Posted to sci.astro.amateur
Replies: 13
Views: 1,572
Posted By RichA[_6_]
Anyone know what these sensors are?

http://largesense.com/products/8x10-large-format-digital-back-ls911/
Forum: Amateur Astronomy February 7th 19, 06:14 AM Posted to sci.astro.amateur
Replies: 7
Views: 846
Posted By RichA[_6_]
One astronomer who shouldn't drop the soap

On Wednesday, 6 February 2019 09:25:29 UTC-5, wrote:
On Tuesday, February 5, 2019 at 3:02:32 AM UTC-5, RichA wrote:
...
Forum: Amateur Astronomy February 5th 19, 08:02 AM Posted to sci.astro.amateur
Replies: 7
Views: 846
Posted By RichA[_6_]
One astronomer who shouldn't drop the soap

https://gizmodo.com/telescope-hobbyist-gets-2-years-in-prison-for-ddos-atta-1830875259
Forum: Amateur Astronomy January 24th 19, 03:26 AM Posted to sci.astro.amateur
Replies: 14
Views: 1,324
Posted By RichA[_6_]
All you need is $100,000 worth of Astro-Physics gear and SBIG/FLI

On Wednesday, 23 January 2019 06:03:47 UTC-5, Paul Schlyter wrote:
On Tue, 22 Jan 2019 16:40:13 -0800 (PST), RichA
wrote:
I've never been a huge fan of wide-field...
Forum: Amateur Astronomy January 23rd 19, 12:40 AM Posted to sci.astro.amateur
Replies: 14
Views: 1,324
Posted By RichA[_6_]
All you need is $100,000 worth of Astro-Physics gear and SBIG/FLI

On Sunday, 20 January 2019 19:55:26 UTC-5, StarDust wrote:
On Sunday, January 20, 2019 at 3:23:39 PM UTC-8, RichA wrote:
On Sunday, 20 January 2019 07:28:39 UTC-5, StarDust wrote:
On...
Forum: Amateur Astronomy January 23rd 19, 12:36 AM Posted to sci.astro.amateur
Replies: 3
Views: 976
Posted By RichA[_6_]
RASC Toronto. Why hold observing nights a week before eclipse??

On Monday, 21 January 2019 05:11:59 UTC-5, Martin Brown wrote:
On 21/01/2019 00:35, RichA wrote:
Funny, they hold an observing session at a city park, just days
before a total lunar...
Forum: Amateur Astronomy January 21st 19, 12:35 AM Posted to sci.astro.amateur
Replies: 3
Views: 976
Posted By RichA[_6_]
RASC Toronto. Why hold observing nights a week before eclipse??

Funny, they hold an observing session at a city park, just days before a total lunar eclipse! Why not hold it DURING the eclipse? They might even have seen a couple deep-sky objects when the thing...
Forum: Amateur Astronomy January 20th 19, 11:23 PM Posted to sci.astro.amateur
Replies: 14
Views: 1,324
Posted By RichA[_6_]
All you need is $100,000 worth of Astro-Physics gear and SBIG/FLI

On Sunday, 20 January 2019 07:28:39 UTC-5, StarDust wrote:
On Saturday, January 19, 2019 at 7:31:54 PM UTC-8, RichA wrote:
...
Forum: Amateur Astronomy January 20th 19, 11:18 PM Posted to sci.astro.amateur
Replies: 52
Views: 1,081
Posted By RichA[_6_]
CERN plans to build what the U.S. should have 23 years ago

On Sunday, 20 January 2019 00:57:13 UTC-5, Chris L Peterson wrote:
On Sat, 19 Jan 2019 19:35:06 -0800 (PST), RichA
wrote:

On Saturday, 19 January 2019 09:39:03...
Forum: Amateur Astronomy January 20th 19, 03:35 AM Posted to sci.astro.amateur
Replies: 52
Views: 1,081
Posted By RichA[_6_]
CERN plans to build what the U.S. should have 23 years ago

On Saturday, 19 January 2019 09:39:03 UTC-5, Chris L Peterson wrote:
On Fri, 18 Jan 2019 19:51:31 -0800 (PST), RichA
wrote:

On Friday, 18 January 2019 12:24:33...
Forum: Amateur Astronomy January 20th 19, 03:32 AM Posted to sci.astro.amateur
Replies: 4
Views: 1,033
Posted By RichA[_6_]
Belt mode noise comparison vs. gear

On Saturday, 19 January 2019 20:03:43 UTC-5, StarDust wrote:
On Saturday, January 19, 2019 at 9:24:30 AM UTC-8, RichA wrote:
On Friday, 18 January 2019 09:34:36 UTC-5, StarDust wrote:
...
Forum: Amateur Astronomy January 20th 19, 03:31 AM Posted to sci.astro.amateur
Replies: 14
Views: 1,324
Posted By RichA[_6_]
All you need is $100,000 worth of Astro-Physics gear and SBIG/FLI

http://www.astrosurf.com/luxorion/Documents/m16-aquila-perkins-kjell-christen.jpg
Forum: Amateur Astronomy January 19th 19, 05:24 PM Posted to sci.astro.amateur
Replies: 4
Views: 1,033
Posted By RichA[_6_]
Belt mode noise comparison vs. gear

On Friday, 18 January 2019 09:34:36 UTC-5, StarDust wrote:
https://www.youtube.com/watch?v=EE0FK0KDROw

I think, I can used this belt drive?
My Vixen GP/D EQ gears gets very noisy too in the...
Forum: Amateur Astronomy January 19th 19, 03:51 AM Posted to sci.astro.amateur
Replies: 52
Views: 1,081
Posted By RichA[_6_]
CERN plans to build what the U.S. should have 23 years ago

On Friday, 18 January 2019 12:24:33 UTC-5, Chris L Peterson wrote:
On Fri, 18 Jan 2019 09:00:46 -0700, Jibini Kula Tumbili Kujisalimisha
wrote:

We don't need to...
Forum: Amateur Astronomy January 19th 19, 03:50 AM Posted to sci.astro.amateur
Replies: 52
Views: 1,081
Posted By RichA[_6_]
CERN plans to build what the U.S. should have 23 years ago

On Friday, 18 January 2019 11:59:16 UTC-5, Jibini Kula Tumbili Kujisalimisha wrote:
Mike Collins wrote in
...
Forum: Amateur Astronomy January 19th 19, 03:49 AM Posted to sci.astro.amateur
Replies: 52
Views: 1,081
Posted By RichA[_6_]
CERN plans to build what the U.S. should have 23 years ago

On Friday, 18 January 2019 11:46:14 UTC-5, Chris L Peterson wrote:
On Fri, 18 Jan 2019 08:42:10 -0800 (PST), RichA
wrote:

On Friday, 18 January 2019 10:15:29 UTC-5,...
Forum: Amateur Astronomy January 18th 19, 04:42 PM Posted to sci.astro.amateur
Replies: 52
Views: 1,081
Posted By RichA[_6_]
CERN plans to build what the U.S. should have 23 years ago

On Friday, 18 January 2019 10:15:29 UTC-5, Chris L Peterson wrote:
On Wed, 16 Jan 2019 08:12:54 -0800 (PST), RichA
wrote:

...
Forum: Amateur Astronomy January 16th 19, 04:12 PM Posted to sci.astro.amateur
Replies: 52
Views: 1,081
Posted By RichA[_6_]
CERN plans to build what the U.S. should have 23 years ago

https://www.bbc.com/news/science-environment-46862486
Showing results 1 to 25 of 500

 
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