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Calsky.com website closed

Last post by Brian « Mon Oct 19, 2020 6:03 pm
Posted in Computers and astronomy

by Brian » Mon Oct 19, 2020 6:03 pm » in Computers and astronomy

0 Replies

3 Views

Last post by Brian
Mon Oct 19, 2020 6:03 pm
How an ice age begins and ends

Last post by brian livesey « Sun Oct 18, 2020 11:17 am
Posted in Astrophysics

by brian livesey » Sun Oct 18, 2020 11:17 am » in Astrophysics

0 Replies

18 Views

Last post by brian livesey
Sun Oct 18, 2020 11:17 am
Gateway to the Moon

Last post by brian livesey « Fri Oct 16, 2020 6:54 pm
Posted in Space exploration

by brian livesey » Fri Oct 16, 2020 6:54 pm » in Space exploration

0 Replies

13 Views

Last post by brian livesey
Fri Oct 16, 2020 6:54 pm
Messier 51

Last post by Ian Papworth « Wed Oct 14, 2020 5:57 pm
Posted in Gallery

by Ian Papworth » Wed Oct 14, 2020 5:57 pm » in Gallery

0 Replies

24 Views

Last post by Ian Papworth
Wed Oct 14, 2020 5:57 pm
NGC 281 The Pacman nebula

Last post by Ian Papworth « Wed Oct 14, 2020 5:54 pm
Posted in Gallery

by Ian Papworth » Wed Oct 14, 2020 5:54 pm » in Gallery

0 Replies

28 Views

Last post by Ian Papworth
Wed Oct 14, 2020 5:54 pm
NGC 6888 The Crescent nebula

Last post by Ian Papworth « Wed Oct 14, 2020 5:51 pm
Posted in Gallery

by Ian Papworth » Wed Oct 14, 2020 5:51 pm » in Gallery

0 Replies

38 Views

Last post by Ian Papworth
Wed Oct 14, 2020 5:51 pm
Need a flat field calibration screen for a 24-in CDK

Last post by KayentaDave « Mon Oct 12, 2020 10:48 pm
Posted in Telescopes and instruments

by KayentaDave » Mon Oct 12, 2020 10:48 pm » in Telescopes and instruments

0 Replies

13 Views

Last post by KayentaDave
Mon Oct 12, 2020 10:48 pm
The Sun - 11th October

Last post by Cliff « Mon Oct 12, 2020 9:23 am
Posted in Gallery

by Cliff » Mon Oct 12, 2020 9:23 am » in Gallery

0 Replies

20 Views

Last post by Cliff
Mon Oct 12, 2020 9:23 am
Telescope for sale

Last post by RMSteele « Fri Oct 09, 2020 1:22 pm
Posted in Classifieds

by RMSteele » Fri Oct 09, 2020 1:22 pm » in Classifieds

0 Replies

53 Views

Last post by RMSteele
Fri Oct 09, 2020 1:22 pm
Nobel Prize for Physics for Roger Penrose

Last post by brian livesey « Wed Oct 07, 2020 8:05 pm
Posted in Astrophysics

by brian livesey » Wed Oct 07, 2020 8:05 pm » in Astrophysics

0 Replies

83 Views

Last post by brian livesey
Wed Oct 07, 2020 8:05 pm
The limit to look back time ..

Last post by brian livesey « Sun Oct 04, 2020 1:55 pm
Posted in Astrophysics

by brian livesey » Sun Oct 04, 2020 1:55 pm » in Astrophysics

0 Replies

374 Views

Last post by brian livesey
Sun Oct 04, 2020 1:55 pm
Early supermassive black hole discovered

Last post by brian livesey « Sat Oct 03, 2020 6:49 pm
Posted in Astrophysics

by brian livesey » Sat Oct 03, 2020 6:49 pm » in Astrophysics

0 Replies

235 Views

Last post by brian livesey
Sat Oct 03, 2020 6:49 pm
October 2020 Celestial Calendar

Last post by Dave Mitsky « Fri Oct 02, 2020 6:53 am
Posted in General chat

by Dave Mitsky » Fri Oct 02, 2020 6:53 am » in General chat

0 Replies

229 Views

Last post by Dave Mitsky
Fri Oct 02, 2020 6:53 am
ISS springs a leak

Last post by brian livesey « Thu Oct 01, 2020 11:05 am
Posted in Visual Satellite Observing

by brian livesey » Thu Oct 01, 2020 11:05 am » in Visual Satellite Observing

0 Replies

405 Views

Last post by brian livesey
Thu Oct 01, 2020 11:05 am
Mars 27 Sept 2020 Eyepiece sketch

Last post by RMSteele « Mon Sep 28, 2020 11:17 am
Posted in Gallery

by RMSteele » Mon Sep 28, 2020 11:17 am » in Gallery

0 Replies

259 Views

Last post by RMSteele
Mon Sep 28, 2020 11:17 am
The SUN - 27th Septmber

Last post by Cliff « Sun Sep 27, 2020 8:34 pm
Posted in Gallery

by Cliff » Sun Sep 27, 2020 8:34 pm » in Gallery

0 Replies

248 Views

Last post by Cliff
Sun Sep 27, 2020 8:34 pm
Atacama Desert glow ...

Last post by brian livesey « Sat Sep 26, 2020 7:54 pm
Posted in Light pollution

by brian livesey » Sat Sep 26, 2020 7:54 pm » in Light pollution

0 Replies

425 Views

Last post by brian livesey
Sat Sep 26, 2020 7:54 pm
Morning cloudscape

Last post by brian livesey « Sat Sep 26, 2020 10:55 am
Posted in Observing

by brian livesey » Sat Sep 26, 2020 10:55 am » in Observing

0 Replies

252 Views

Last post by brian livesey
Sat Sep 26, 2020 10:55 am
R Leonis near VENUS

Last post by michael feist « Sat Sep 26, 2020 7:56 am
Posted in Observing

by michael feist » Sat Sep 26, 2020 7:56 am » in Observing

0 Replies

247 Views

Last post by michael feist
Sat Sep 26, 2020 7:56 am
The Sun 24th September

Last post by Cliff « Fri Sep 25, 2020 8:51 am
Posted in Gallery

by Cliff » Fri Sep 25, 2020 8:51 am » in Gallery

0 Replies

247 Views

Last post by Cliff
Fri Sep 25, 2020 8:51 am
Mars 23 September.

Last post by smerral « Thu Sep 24, 2020 10:54 am
Posted in Gallery

by smerral » Thu Sep 24, 2020 10:54 am » in Gallery

0 Replies

249 Views

Last post by smerral
Thu Sep 24, 2020 10:54 am
Oops!

Last post by brian livesey « Mon Sep 21, 2020 11:15 am
Posted in Gallery

by brian livesey » Mon Sep 21, 2020 11:15 am » in Gallery

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265 Views

Last post by brian livesey
Mon Sep 21, 2020 11:15 am
Aquilla Bubble Nebula - NGC 6781

Last post by nigeljoslin « Fri Sep 18, 2020 7:03 am
Posted in Observing

by nigeljoslin » Fri Sep 18, 2020 7:03 am » in Observing

0 Replies

257 Views

Last post by nigeljoslin
Fri Sep 18, 2020 7:03 am
Discovery of Phosphine in the Atmosphere of Venus

Last post by JohnM « Mon Sep 14, 2020 5:37 pm
Posted in General chat

by JohnM » Mon Sep 14, 2020 5:37 pm » in General chat

0 Replies

259 Views

Last post by JohnM
Mon Sep 14, 2020 5:37 pm
Do white dwarfs harbor habitable "zombie" planets?

Last post by brian livesey « Tue Sep 08, 2020 8:21 pm
Posted in Astrophysics

by brian livesey » Tue Sep 08, 2020 8:21 pm » in Astrophysics

0 Replies

275 Views

Last post by brian livesey
Tue Sep 08, 2020 8:21 pm
September 2020 Celestial Calendar

Last post by Dave Mitsky « Mon Aug 31, 2020 8:39 pm
Posted in General chat

by Dave Mitsky » Mon Aug 31, 2020 8:39 pm » in General chat

0 Replies

260 Views

Last post by Dave Mitsky
Mon Aug 31, 2020 8:39 pm
Martian airglow

Last post by brian livesey « Wed Aug 26, 2020 2:54 pm
Posted in Astrophysics

by brian livesey » Wed Aug 26, 2020 2:54 pm » in Astrophysics

0 Replies

289 Views

Last post by brian livesey
Wed Aug 26, 2020 2:54 pm
Here today - gone tommorow ?

Last post by JohnM « Mon Aug 24, 2020 10:14 am
Posted in Observing

by JohnM » Mon Aug 24, 2020 10:14 am » in Observing

0 Replies

303 Views

Last post by JohnM
Mon Aug 24, 2020 10:14 am
Immaterialism

Last post by brian livesey « Sun Aug 23, 2020 6:42 pm
Posted in Astrophysics

by brian livesey » Sun Aug 23, 2020 6:42 pm » in Astrophysics

0 Replies

312 Views

Last post by brian livesey
Sun Aug 23, 2020 6:42 pm
Seven UK space ports planned

Last post by brian livesey « Fri Aug 21, 2020 7:04 pm
Posted in Visual Satellite Observing

by brian livesey » Fri Aug 21, 2020 7:04 pm » in Visual Satellite Observing

0 Replies

349 Views

Last post by brian livesey
Fri Aug 21, 2020 7:04 pm
The nature of time

Last post by brian livesey « Fri Aug 21, 2020 6:41 pm
Posted in Astrophysics

by brian livesey » Fri Aug 21, 2020 6:41 pm » in Astrophysics

0 Replies

340 Views

Last post by brian livesey
Fri Aug 21, 2020 6:41 pm
SUN -Surprise 18th August!

Last post by Cliff « Tue Aug 18, 2020 9:03 pm
Posted in Gallery

by Cliff » Tue Aug 18, 2020 9:03 pm » in Gallery

0 Replies

348 Views

Last post by Cliff
Tue Aug 18, 2020 9:03 pm
Dark Skies Policy Consultation

Last post by Brian « Sun Aug 09, 2020 5:41 pm
Posted in Light pollution

by Brian » Sun Aug 09, 2020 5:41 pm » in Light pollution

0 Replies

376 Views

Last post by Brian
Sun Aug 09, 2020 5:41 pm
August 2020 Celestial Calendar

Last post by Dave Mitsky « Sat Aug 01, 2020 7:55 am
Posted in General chat

by Dave Mitsky » Sat Aug 01, 2020 7:55 am » in General chat

0 Replies

419 Views

Last post by Dave Mitsky
Sat Aug 01, 2020 7:55 am
That boring old Sun again

Last post by Cliff « Sun Jul 26, 2020 10:50 pm
Posted in Gallery

by Cliff » Sun Jul 26, 2020 10:50 pm » in Gallery

0 Replies

520 Views

Last post by Cliff
Sun Jul 26, 2020 10:50 pm
China launches its Mars lander-probe

Last post by brian livesey « Fri Jul 24, 2020 7:54 pm
Posted in Space exploration

by brian livesey » Fri Jul 24, 2020 7:54 pm » in Space exploration

0 Replies

543 Views

Last post by brian livesey
Fri Jul 24, 2020 7:54 pm
Mars 2020 Exploration Mission Guide – Free Educational Resource

Last post by ChaseC « Fri Jul 24, 2020 4:41 am
Posted in Space exploration

by ChaseC » Fri Jul 24, 2020 4:41 am » in Space exploration

0 Replies

435 Views

Last post by ChaseC
Fri Jul 24, 2020 4:41 am
The Kinman Dwarf galaxy's missing star

Last post by brian livesey « Sun Jul 19, 2020 4:18 pm
Posted in Astrophysics

by brian livesey » Sun Jul 19, 2020 4:18 pm » in Astrophysics

0 Replies

580 Views

Last post by brian livesey
Sun Jul 19, 2020 4:18 pm
NEOWISE over Portglenone, Co. Antrim

Last post by pmchugh1961 « Sun Jul 19, 2020 11:10 am
Posted in Gallery

by pmchugh1961 » Sun Jul 19, 2020 11:10 am » in Gallery

0 Replies

444 Views

Last post by pmchugh1961
Sun Jul 19, 2020 11:10 am
Solar Orbiter's first images of Sun

Last post by brian livesey « Thu Jul 16, 2020 5:48 pm
Posted in Astrophysics

by brian livesey » Thu Jul 16, 2020 5:48 pm » in Astrophysics

0 Replies

449 Views

Last post by brian livesey
Thu Jul 16, 2020 5:48 pm
UAE Mars Launch postponed

Last post by brian livesey « Wed Jul 15, 2020 8:49 pm
Posted in Space exploration

by brian livesey » Wed Jul 15, 2020 8:49 pm » in Space exploration

0 Replies

462 Views

Last post by brian livesey
Wed Jul 15, 2020 8:49 pm
DIYing for astronomy

Last post by brian livesey « Tue Jul 14, 2020 6:31 pm
Posted in Telescopes and instruments

by brian livesey » Tue Jul 14, 2020 6:31 pm » in Telescopes and instruments

0 Replies

482 Views

Last post by brian livesey
Tue Jul 14, 2020 6:31 pm
Remote ring Galaxy discovered

Last post by brian livesey « Sun Jul 12, 2020 12:51 pm
Posted in Astrophysics

by brian livesey » Sun Jul 12, 2020 12:51 pm » in Astrophysics

0 Replies

462 Views

Last post by brian livesey
Sun Jul 12, 2020 12:51 pm
Flight over Mars' Korolev crater (ESA)

Last post by Brian « Fri Jul 10, 2020 5:20 pm
Posted in Space exploration

by Brian » Fri Jul 10, 2020 5:20 pm » in Space exploration

0 Replies

442 Views

Last post by Brian
Fri Jul 10, 2020 5:20 pm
A new angle on the Cretaceous asteroid

Last post by brian livesey « Fri Jul 10, 2020 2:10 pm
Posted in Astrophysics

by brian livesey » Fri Jul 10, 2020 2:10 pm » in Astrophysics

0 Replies

444 Views

Last post by brian livesey
Fri Jul 10, 2020 2:10 pm
Light pollution and the sandhopper

Last post by brian livesey « Fri Jul 10, 2020 10:14 am
Posted in Light pollution

by brian livesey » Fri Jul 10, 2020 10:14 am » in Light pollution

0 Replies

566 Views

Last post by brian livesey
Fri Jul 10, 2020 10:14 am
Betelgeuse dimming enigma

Last post by brian livesey « Wed Jul 08, 2020 4:34 pm
Posted in Astrophysics

by brian livesey » Wed Jul 08, 2020 4:34 pm » in Astrophysics

0 Replies

451 Views

Last post by brian livesey
Wed Jul 08, 2020 4:34 pm
ISS

Last post by David Frydman « Tue Jul 07, 2020 3:00 pm
Posted in Observing

by David Frydman » Tue Jul 07, 2020 3:00 pm » in Observing

0 Replies

485 Views

Last post by David Frydman
Tue Jul 07, 2020 3:00 pm
NoctiLucent Clouds

Last post by john.wheeldon « Mon Jul 06, 2020 10:29 am
Posted in Gallery

by john.wheeldon » Mon Jul 06, 2020 10:29 am » in Gallery

0 Replies

463 Views

Last post by john.wheeldon
Mon Jul 06, 2020 10:29 am
July 2020 Celestial Calendar

Last post by Dave Mitsky « Thu Jul 02, 2020 5:50 am
Posted in General chat

by Dave Mitsky » Thu Jul 02, 2020 5:50 am » in General chat

0 Replies

515 Views

Last post by Dave Mitsky
Thu Jul 02, 2020 5:50 am

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