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Search: Posts Made By: mithrandir
Forum: General Chat 28-10-2014, 09:25 AM
Replies: 17
Views: 365
Posted By mithrandir
There are a few of these around the house here....

There are a few of these around the house here. The owner is forever moving things between the versions. This causes endless frustration when after searching for ages she suddenly realises the item...
Forum: Equipment Discussions 28-10-2014, 09:21 AM
Replies: 24
Views: 452
Posted By mithrandir
Suzy, I use mine on a 500mm telephoto, a 5"...

Suzy, I use mine on a 500mm telephoto, a 5" refractor and a C8. I gave one to a friend to use on his 12" Newt. I like the way the elastic forces it to align against the tube and there's no adhesive...
Forum: General Chat 28-10-2014, 09:10 AM
Replies: 2
Views: 143
Posted By mithrandir
Firefox is blocking airforcemuseum.ca saying it...

Firefox is blocking airforcemuseum.ca saying it has been used to launch attacks. Probably been hacked.
Forum: Equipment Discussions 26-10-2014, 05:27 PM
Replies: 24
Views: 452
Posted By mithrandir
Suzy, I've got a couple of these:...

Suzy, I've got a couple of these: http://www.dynapod.com/dyna-hp1.html

The HP-2 fits all my scopes and telephoto lenses.

You could make something similar. The angled piece forces it to line up...
Forum: Software and Computers 25-10-2014, 09:47 AM
Replies: 5
Views: 144
Posted By mithrandir
There's also RIOT http://luci.criosweb.ro/riot/ ...

There's also RIOT http://luci.criosweb.ro/riot/



AVG complains the installer contains the OpenCandy advertising program, but IIRC you can tell the installer not to install it.
Forum: General Chat 25-10-2014, 09:38 AM
Replies: 61
Views: 1,106
Posted By mithrandir
High prices reflect people wanting to live in...

High prices reflect people wanting to live in specific locations.

You want harbour views? Pay for them.
You want to be close to good public transport (eg rail)? Pay for it. Prices around our old...
Forum: Solar System 24-10-2014, 08:53 AM
Replies: 10
Views: 212
Posted By mithrandir
Nice Paul. They've been mentioning AR12192 often...

Nice Paul. They've been mentioning AR12192 often on the Griffith Obs PSE webcast.
Forum: Celestial and Astronomical Events 24-10-2014, 08:33 AM
Replies: 3
Views: 136
Posted By mithrandir
It's not visible in Oz. Have a maximum eclipse...

It's not visible in Oz. Have a maximum eclipse screenshot from Griffith's webcast.
Forum: General Chat 23-10-2014, 10:41 PM
Replies: 1
Views: 153
Posted By mithrandir
Maybe an Iridium satellite Ron. ...

Maybe an Iridium satellite Ron.

Heavens-Above will tell you what was around if you know where you were and what time it was.
Forum: Equipment Discussions 23-10-2014, 03:05 PM
Replies: 6
Views: 221
Posted By mithrandir
The late and much missed Barry Gerdes put a...

The late and much missed Barry Gerdes put a webcam on a polar scope scope so it could be operated from his computer. You can probably find the thread and images somewhere in the discussions.
Forum: Equipment Discussions 22-10-2014, 11:12 PM
Replies: 6
Views: 221
Posted By mithrandir
Have a read of the instructions for Losmandy's...

Have a read of the instructions for Losmandy's polar scope and see if it makes things any clearer. Make sure you read all the way to the bottom because the old reticle was only good to 2010 and the...
Forum: General Chat 21-10-2014, 08:34 PM
Replies: 2
Views: 176
Posted By mithrandir
Partial Solar eclipse Oct 23

Since it isn't visible from Oz you might be interested in the webcast from Griffith Observatory.

http://new.livestream.com/GriffithObservatoryTV/solareclipseOctober2014

From around 14:00 PDT....
Forum: Software and Computers 21-10-2014, 01:50 PM
Replies: 13
Views: 905
Posted By mithrandir
I've got a sort of decent NVidia card (GTX560M),...

I've got a sort of decent NVidia card (GTX560M), but my drivers are too new. They say you need 337.* or earlier. I've got 344.11
Forum: Solar System 18-10-2014, 10:34 PM
Replies: 20
Views: 1,069
Posted By mithrandir
It's always cloudy when something interesting is...

It's always cloudy when something interesting is happening.

Yes we here in Oz miss closest approach, but IIS has followers all around the globe so some might be observing at the exact time, after...
Forum: Solar System 18-10-2014, 09:13 PM
Replies: 20
Views: 1,069
Posted By mithrandir
For those wishing to capture the closest...

For those wishing to capture the closest approach, NASA's prediction is at 18:27:38 UTC.

I get 18:26:36 UTC, but then I don't have the advantage of the observations coming from the MRO to refine...
Forum: Astronomy and Amateur Science 17-10-2014, 10:09 AM
Replies: 17
Views: 274
Posted By mithrandir
You should consider a black hole to be the entire...

You should consider a black hole to be the entire space inside the Schwarzschild radius.

The Schwarzschild radius is proportional to the mass with a proportionality constant involving the...
Forum: General Chat 16-10-2014, 09:38 PM
Replies: 65
Views: 1,443
Posted By mithrandir
We need the weeping angels back to scare the...

We need the weeping angels back to scare the daylights out of everyone.
Forum: Astrophotography and Imaging Equipment and Discussions 16-10-2014, 09:35 PM
Replies: 8
Views: 288
Posted By mithrandir
Lewis, it's the focal lengths and pixels sizes...

Lewis, it's the focal lengths and pixels sizes that matter. Aim for the ASP (arcsec per pixel) of the guide camera to be no more than 10 times that of the imaging camera.
EG:
Imaging - Celestron...
Forum: Software and Computers 16-10-2014, 09:15 PM
Replies: 12
Views: 399
Posted By mithrandir
I'd like a "focus follows mouse" that works at...

I'd like a "focus follows mouse" that works at least as well as it does on any X11 based desktop. (The Windows one is rubbish.) Being able to type into a window that is not on top is very handy.
...
Forum: Equipment Discussions 16-10-2014, 08:22 PM
Replies: 2
Views: 232
Posted By mithrandir
I've got a Pelican 1620 case for my G11 head....

I've got a Pelican 1620 case for my G11 head. That's the smallest one it fits into. The standard Pelican foam is really not up to keeping it from moving so I don't put the counterweight bar or Gemini...
Forum: General Chat 15-10-2014, 02:13 PM
Replies: 10
Views: 290
Posted By mithrandir
I did "Intro to Astro" last time it was offered. ...

I did "Intro to Astro" last time it was offered.

I've signed up again not to improve my results (over 90% but under 100%) but to see how much Ronen has changed it and offer a hand where needed....
Forum: General Chat 15-10-2014, 10:06 AM
Replies: 10
Views: 290
Posted By mithrandir
While we're here "ANUx: ANU-ASTRO3x The Violent...

While we're here "ANUx: ANU-ASTRO3x The Violent Universe" started yesterday (Oct 14)

https://courses.edx.org/
Forum: General Chat 14-10-2014, 11:13 PM
Replies: 17
Views: 284
Posted By mithrandir
It's a "trivial" piece of spherical trigonometry...

It's a "trivial" piece of spherical trigonometry to derive the distance and bearing of one location to another.
With your apparently dodgy location IIS has you 3,436km from me. Using Geoname...
Forum: Equipment Discussions 13-10-2014, 04:54 PM
Replies: 21
Views: 635
Posted By mithrandir
FYI, I bought a Pelican case for my G11 from an...

FYI, I bought a Pelican case for my G11 from an Aus distributor and regularly get reminders that the seals do degrade over time and should be checked and replaced if damaged.
Forum: Equipment Discussions 12-10-2014, 08:33 AM
Replies: 6
Views: 215
Posted By mithrandir
Stefan, I would have thought a PST was light...

Stefan, I would have thought a PST was light enough an HEQ5 could cope without much in the way of weights. Maybe a good size fishing sinker and some gaffer tape. Did you slide the weight as far up...
Showing results 1 to 25 of 500

 
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