Forum: Amateur Astronomy
March 24th 19, 06:46 PM Posted to sci.astro.amateur
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Replies: 8
Views: 3,687
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Forum: Amateur Astronomy
March 24th 19, 06:45 PM Posted to sci.astro.amateur
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Replies: 8
Views: 3,687
Venus probes. Even really possible?
On Saturday, 23 March 2019 21:05:57 UTC-4, Chris L Peterson wrote:
On Sat, 23 Mar 2019 17:54:57 -0700 (PDT), RichA
wrote:
On Saturday, 23 March 2019 12:33:18 UTC-4,...
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Forum: Amateur Astronomy
March 24th 19, 01:57 AM Posted to sci.astro.amateur
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Replies: 8
Views: 3,687
Venus probes. Even really possible?
On Saturday, 23 March 2019 13:38:16 UTC-4, Vladimir Rodionov wrote:
On Sunday, March 24, 2019 at 12:33:18 AM UTC+8, Chris L Peterson wrote:
On Sat, 23 Mar 2019 09:23:10 -0700 (PDT), RichA...
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Forum: Amateur Astronomy
March 24th 19, 01:54 AM Posted to sci.astro.amateur
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Replies: 8
Views: 3,687
Venus probes. Even really possible?
On Saturday, 23 March 2019 12:33:18 UTC-4, Chris L Peterson wrote:
On Sat, 23 Mar 2019 09:23:10 -0700 (PDT), RichA
wrote:
If they intend to do seismology, they'll...
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Forum: Amateur Astronomy
March 23rd 19, 05:25 PM Posted to sci.astro.amateur
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Replies: 2
Views: 1,090
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Forum: Amateur Astronomy
March 23rd 19, 05:23 PM Posted to sci.astro.amateur
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Replies: 8
Views: 3,687
Venus probes. Even really possible?
If they intend to do seismology, they'll need a probe that can do it and withstand the conditions on the planet for a period of time. Is it even possible? Wouldn't another basic observational probe...
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Forum: Amateur Astronomy
March 23rd 19, 12:41 AM Posted to sci.astro.amateur
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Replies: 5
Views: 1,052
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Forum: Amateur Astronomy
March 22nd 19, 03:30 PM Posted to sci.astro.amateur
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Replies: 5
Views: 1,052
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Forum: Amateur Astronomy
March 21st 19, 11:45 PM Posted to sci.astro.amateur
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Replies: 0
Views: 1,003
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Forum: Amateur Astronomy
March 21st 19, 11:44 PM Posted to sci.astro.amateur
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Replies: 14
Views: 1,629
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Forum: Amateur Astronomy
March 20th 19, 02:46 AM Posted to sci.astro.amateur
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Replies: 14
Views: 1,629
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Forum: Amateur Astronomy
March 14th 19, 11:55 PM Posted to sci.astro.amateur
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Replies: 6
Views: 928
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Forum: Amateur Astronomy
March 14th 19, 02:53 PM Posted to sci.astro.amateur
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Replies: 12
Views: 1,593
Rich field telescope?
On Wednesday, 13 March 2019 22:47:56 UTC-4, StarDust wrote:
On Wednesday, March 13, 2019 at 3:43:19 PM UTC-7, RichA wrote:
On Wednesday, 13 March 2019 06:02:28 UTC-4, StarDust wrote:
On...
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Forum: Amateur Astronomy
March 14th 19, 06:28 AM Posted to sci.astro.amateur
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Replies: 6
Views: 928
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Forum: Amateur Astronomy
March 14th 19, 02:15 AM Posted to sci.astro.amateur
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Replies: 6
Views: 928
In-camera sky tracking without an equatorial mount
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 sky. So, all you have to do is put the...
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Forum: Amateur Astronomy
March 13th 19, 11:43 PM Posted to sci.astro.amateur
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Replies: 12
Views: 1,593
Rich field telescope?
On Wednesday, 13 March 2019 06:02:28 UTC-4, StarDust wrote:
On Wednesday, March 13, 2019 at 12:53:02 AM UTC-7, RichA wrote:
On Tuesday, 12 March 2019 13:42:52 UTC-4, StarDust wrote:
On...
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Forum: Amateur Astronomy
March 13th 19, 08:52 AM Posted to sci.astro.amateur
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Replies: 12
Views: 1,593
Rich field telescope?
On Tuesday, 12 March 2019 13:42:52 UTC-4, StarDust wrote:
On Tuesday, March 12, 2019 at 8:17:07 AM UTC-7, JBI wrote:
On 3/12/19 5:24 AM, StarDust wrote:
On Tuesday, March 12, 2019 at...
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Forum: Amateur Astronomy
March 9th 19, 02:22 AM Posted to sci.astro.amateur
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Replies: 9
Views: 912
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Forum: Amateur Astronomy
March 7th 19, 01:59 AM Posted to sci.astro.amateur
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Replies: 9
Views: 912
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Forum: Amateur Astronomy
March 3rd 19, 12:30 AM Posted to sci.astro.amateur
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Replies: 3
Views: 235
Want to watch a mannequin blow up?
On Saturday, 2 March 2019 01:21:39 UTC-8, Gerald Kelleher wrote:
On Saturday, March 2, 2019 at 4:17:25 AM UTC, RichA wrote:
https://www.bbc.com/news/science-environment-47414390
I see you...
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Forum: Amateur Astronomy
March 2nd 19, 05:17 AM Posted to sci.astro.amateur
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Replies: 3
Views: 235
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Forum: Amateur Astronomy
February 22nd 19, 05:42 AM Posted to sci.astro.amateur
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Replies: 2
Views: 3,137
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Forum: Amateur Astronomy
February 15th 19, 11:33 PM Posted to sci.astro.amateur
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Replies: 13
Views: 1,991
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...
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Forum: Amateur Astronomy
February 15th 19, 03:14 PM Posted to sci.astro.amateur
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Replies: 13
Views: 1,991
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...
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Forum: Amateur Astronomy
February 15th 19, 03:11 PM Posted to sci.astro.amateur
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Replies: 37
Views: 2,981
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...
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