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Cool Video on efforts to curb LED and other outdoor lighting

Last post by Arctic « Thu Oct 29, 2020 7:08 pm

by Arctic » Thu Oct 29, 2020 7:08 pm

Here's a great video from Duluth, Minnesota on efforts to change LEDs and outdoor lighting to protect our dark skies:

0 Replies

5 Views

Last post by Arctic
Thu Oct 29, 2020 7:08 pm
NASA reports traces of liquid water on the Moon

Last post by helicon « Tue Oct 27, 2020 5:03 pm
Replies: 3
by OzEclipse » Mon Oct 26, 2020 9:05 pm

First post

NASA reports traces of liquid water on the Moon, and ice could be widespread, raising hopes for exploration and habitation

Last post

Thanks for posting the links to the story guys.

3 Replies

54 Views

Last post by helicon
Tue Oct 27, 2020 5:03 pm
Great conjunction, Dec 21st

Last post by KingNothing13 « Tue Oct 27, 2020 12:19 pm
Replies: 4
by KathyNS » Wed Oct 21, 2020 6:13 pm

First post

On Dec 21st this year, Jupiter and Saturn have a conjunction that has them pass within 6 arcminutes of each other. They will be low in the evening...

Last post

I remember reading about this a while back, no way I can see it from my yard (normal observing place) and I doubt I will be able to make it anywhere...

4 Replies

49 Views

Last post by KingNothing13
Tue Oct 27, 2020 12:19 pm
Supernova in NGC 514

Last post by Shabadoo « Thu Oct 22, 2020 12:28 pm

by Shabadoo » Thu Oct 22, 2020 12:28 pm

It’s @ -13 mag probably too close to the galaxy to notice visually. Might be photographable?
Ladies and Gents with the big toys should be able to...

0 Replies

58 Views

Last post by Shabadoo
Thu Oct 22, 2020 12:28 pm
Surge in astronomy kit sales.

Last post by Piet Le Roux « Sat Oct 17, 2020 9:47 am
Replies: 2
by Chich » Sat Oct 17, 2020 5:43 am

First post

Well this is good news. Also explains some out of stock notices I've encountered.

Last post

Now all we need is something eye catching like a bright comet or supernova and then even Meade could make a comeback! This could even inspire some...

2 Replies

79 Views

Last post by Piet Le Roux
Sat Oct 17, 2020 9:47 am
Death by black hole: Astronomers spot flare from “spaghettification” of star

Last post by smp « Tue Oct 13, 2020 4:29 pm
Replies: 2
by smp » Mon Oct 12, 2020 4:46 pm

First post

From Ars Technica:
It's a popular misconception that black holes behave like cosmic vacuum cleaners, ravenously sucking up any matter in their...

Last post

Here's another article from scitechdaily.com:
Death by Spaghettification: Telescopes Record Last Moments of Star Devoured by a Black Hole

smp

2 Replies

81 Views

Last post by smp
Tue Oct 13, 2020 4:29 pm
AI in Cosmological Experiments - RAS Lecture

Last post by Graeme1858 « Thu Oct 08, 2020 6:27 am
Replies: 1
by Graeme1858 » Sat Sep 26, 2020 9:12 am

First post

RAS Ordinary Meeting

Darkness Visible: AI in Cosmological Experiments”

George Darwin Lecture by Prof. Ofer Lahav, University College London...

Last post

This is on tomorrow tonight, 09/10/20 16:00 – 17:00 BST

Regards

Graeme

1 Replies

153 Views

Last post by Graeme1858
Thu Oct 08, 2020 6:27 am
Nobel Prize for Black Hole discoveries

Last post by smp « Wed Oct 07, 2020 12:27 pm
Replies: 3
by Pikaia » Tue Oct 06, 2020 10:32 am

First post

The Royal Swedish Academy of Sciences has decided to award the Nobel Prize in Physics 2020

with one half to

Roger Penrose
University of Oxford, UK...

Last post

Here's an article from Ars Technica:
Three scientists win Nobel Physics Prize for groundbreaking black hole work

smp

3 Replies

91 Views

Last post by smp
Wed Oct 07, 2020 12:27 pm
SpaceX's 13th overall Starlink mission

Last post by helicon « Tue Oct 06, 2020 3:37 pm
Replies: 11
by smp » Thu Sep 17, 2020 6:04 pm

First post

From the Ars Technica Rocket Report:

Coming up soon, at 18:19 UTC Thursday, is SpaceX's 13th overall Starlink mission. It will be webcast here:...

Last post

Well, they pulled it off again...

11 Replies

489 Views

Last post by helicon
Tue Oct 06, 2020 3:37 pm
The Universe May Crunch

Last post by notFritzArgelander « Sun Oct 04, 2020 5:17 pm
Replies: 1
by Refractordude » Sun Oct 04, 2020 5:09 pm

First post

Looks like I need to up my prepping. :lol:

Last post

I won't be doing any preparation. Current data say no crunch . Since the expansion is actually accelerating the crunch is ruled out by observations.

1 Replies

89 Views

Last post by notFritzArgelander
Sun Oct 04, 2020 5:17 pm
Respect for the Big Fuzzy

Last post by Raymondhow « Sat Oct 03, 2020 7:53 pm

by Raymondhow » Sat Oct 03, 2020 7:53 pm

Wasn't sure where this topic fit, so I'll call it news ...

My astronomy outreach activities have been severely limited this year, so I've gotten...

0 Replies

98 Views

Last post by Raymondhow
Sat Oct 03, 2020 7:53 pm
Astronomers discover possible 60s-era Moon rocket booster heading back to Earth

Last post by dagadget « Tue Sep 29, 2020 5:11 pm
Replies: 5
by smp » Mon Sep 28, 2020 12:48 pm

First post

From Teslarati.com:
On August 19th this year, astronomers using the Panoramic Survey Telescope and Rapid Response System (Pan-STARRS) observatory in...

Last post

From Teslarati.com:
On August 19th this year, astronomers using the Panoramic Survey Telescope and Rapid Response System (Pan-STARRS) observatory in...

5 Replies

177 Views

Last post by dagadget
Tue Sep 29, 2020 5:11 pm
Sky at Night magazine October

Last post by XCalRocketMan « Fri Sep 25, 2020 4:34 pm
Replies: 6
by Greenman » Fri Sep 25, 2020 10:14 am

First post

Observe Mars at its best
October's opposition of the Red Planet is the best opportunity to view the world for years to come. Pete Lawrence helps you...

Last post

After my initial go at imaging Mars earlier this year (for which I got an TSS APOD - thanks very much) I'm getting ready for more imaging runs with a...

6 Replies

230 Views

Last post by XCalRocketMan
Fri Sep 25, 2020 4:34 pm
Astronomy interest increases during COVID

Last post by Bigzmey « Thu Sep 24, 2020 11:57 pm
Replies: 2
by gregl » Thu Sep 24, 2020 10:46 pm

First post

An article in the current Washington Post reports that backyard astronomy is increasing, possibly due to COVID travel restrictions. The article...

Last post

I bet the bulk of Celestron sales are made of all those badly collimated binoculars purchased and returned multiple times. :D

2 Replies

118 Views

Last post by Bigzmey
Thu Sep 24, 2020 11:57 pm
Hubble Captures Crisp New Image of Jupiter and Europa

Last post by KingNothing13 « Fri Sep 18, 2020 3:41 pm
Replies: 1
by smp » Fri Sep 18, 2020 2:59 pm

First post

From SpaceTelescope.org:
This latest image of Jupiter, taken by the NASA/ESA Hubble Space Telescope on 25 August 2020, was captured when the planet...

Last post

It always amazes me now not real Jupiter looks in images like this. My brain cannot comprehend those clouds at all - the patterns they make, and...

1 Replies

89 Views

Last post by KingNothing13
Fri Sep 18, 2020 3:41 pm
California wildfires threaten historic Lick Observatory

Last post by KingNothing13 « Mon Sep 14, 2020 6:42 pm
Replies: 6
by seigell » Sat Aug 22, 2020 6:41 pm

First post

As several of the Coastal Ranges in California are being consumed (or under threat) by Wildfires, it is only a matter of time before one of the...

Last post

Oh crap. :(

Stay Safe everyone. :(

6 Replies

368 Views

Last post by KingNothing13
Mon Sep 14, 2020 6:42 pm
UFO Spotting

Last post by Star Dad « Sun Sep 13, 2020 1:21 pm
Replies: 8
by Graeme1858 » Sun Aug 16, 2020 10:03 am

First post

New UFO Taskforce:

Last post

In my case it was (as I recall) spring of 1973. I was out in the gardens at Miami University (Oxford, OH) just star gazing with a near full moon....

8 Replies

460 Views

Last post by Star Dad
Sun Sep 13, 2020 1:21 pm
Astronomy Photographer of the Year 2020

Last post by yobbo89 « Sat Sep 12, 2020 7:08 am
Replies: 7
by Pikaia » Fri Sep 11, 2020 8:38 am

First post

I am surprised that the winning photographer went to such lengths to produce that effect when it is easily done with ordinary image processing...

Last post

some nice images, love the dolphin nebula, not a fan over processed images ,don't realy like the bokeh effect on space images aswell.a very...

7 Replies

315 Views

Last post by yobbo89
Sat Sep 12, 2020 7:08 am
Minnesota's Boundary Waters Canoe Area Wilderness Designated as International Dark Sky Sanctuary

Last post by Arctic « Fri Sep 11, 2020 7:19 pm

by Arctic » Fri Sep 11, 2020 7:19 pm

I was excited to read this this morning. An hour north of my house, I knew this region was dark...

0 Replies

116 Views

Last post by Arctic
Fri Sep 11, 2020 7:19 pm
New Ground Based Telescope

Last post by helicon « Thu Sep 10, 2020 5:44 pm
Replies: 9
by Solsearcher » Wed Sep 09, 2020 2:42 am

First post

An interesting clip , disappointing to hear what will hinder the imaging .

Last post

Oh yeah. That would be sweet...

9 Replies

435 Views

Last post by helicon
Thu Sep 10, 2020 5:44 pm
From Fox News - The moon is 'rusting' and scientists are stunned

Last post by smp « Mon Sep 07, 2020 9:48 pm
Replies: 2
by Buckethead 2.0 » Mon Sep 07, 2020 1:01 pm

2 Replies

254 Views

Last post by smp
Mon Sep 07, 2020 9:48 pm
SpaceX Falcon 9 Rocket Launch This Morning

Last post by helicon « Fri Sep 04, 2020 1:23 pm
Replies: 3
by Makuser » Thu Sep 03, 2020 5:22 pm

First post

Hi all. Here are the best 2 of 4 photos of the latest Falcon 9 rocket launch taken from my backyard this morning at 8:46 am EDST. The good news is...

Last post

Nice image Marshall. Too bad we are still going to see more of these things.

3 Replies

337 Views

Last post by helicon
Fri Sep 04, 2020 1:23 pm
SpaceX targets another Starlink launch Thursday to continue record pace

Last post by helicon « Thu Sep 03, 2020 2:15 pm
Replies: 2
by smp » Thu Sep 03, 2020 1:18 pm

First post

From Ars Technica:
SpaceX launched three missions in August—two carrying its own Starlink satellite payloads, and the SAOCOM 1B mission for...

Last post

Thanks for the article Stephen. There are definitely reasons to be worried.

2 Replies

172 Views

Last post by helicon
Thu Sep 03, 2020 2:15 pm
The Andromeda galaxy's halo is even more massive than scientists expected, Hubble telescope reveals

Last post by Buckethead 2.0 « Wed Sep 02, 2020 4:05 pm
Replies: 9
by Buckethead 2.0 » Wed Sep 02, 2020 12:03 pm

9 Replies

369 Views

Last post by Buckethead 2.0
Wed Sep 02, 2020 4:05 pm
Breakthrough AI identifies 50 new planets from old NASA data

Last post by helicon « Thu Aug 27, 2020 5:05 pm
Replies: 1
by smp » Thu Aug 27, 2020 4:51 pm

First post

From CNN:
Hong Kong (CNN Business) - British researchers have identified 50 new planets using artificial intelligence, marking a technological...

Last post

Thanks for the article Stephen.

1 Replies

218 Views

Last post by helicon
Thu Aug 27, 2020 5:05 pm

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