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Search: Posts Made By: mithrandir
Forum: General Chat 22-11-2014, 10:16 PM
Replies: 9
Views: 132
Posted By mithrandir
Iridium flares come from the Iridium...

Iridium flares come from the Iridium communications satellites. Other satellites can flare (eg tumbling ones) but not with the predictability of these. The flares come from sunlight reflecting off...
Forum: Beginners Talk 13-11-2014, 09:44 AM
Replies: 16
Views: 321
Posted By mithrandir
The compass will be affected by any magnetic...

The compass will be affected by any magnetic material within a few metres - like steel telescope tubes or mounts.
Forum: Astrophotography and Imaging Equipment and Discussions 12-11-2014, 06:55 PM
Replies: 46
Views: 1,665
Posted By mithrandir
The bwallan in that thread with all the a7s...

The bwallan in that thread with all the a7s knowledge is the guy I've been quoting. I hope at some stage to be well enough to visit him in Alberta.
Forum: Beginners Talk 12-11-2014, 02:08 PM
Replies: 16
Views: 321
Posted By mithrandir
Try ebay for "Globalsat ND-105C GPS USB" or...

Try ebay for "Globalsat ND-105C GPS USB" or "GlobalSat BU-353 S4 USB GPS"

The price has gone up from the model ND-100S which I have but still far cheaper than Garmin (and I have two of those too).
Forum: Celestial and Astronomical Events 12-11-2014, 01:59 PM
Replies: 31
Views: 1,053
Posted By mithrandir
Rosetta live feed from ESA

http://rosetta.esa.int/
Forum: Beginners Equipment Discussions 11-11-2014, 10:59 PM
Replies: 10
Views: 221
Posted By mithrandir
Trev, you might be able to increase the RAM. My...

Trev, you might be able to increase the RAM. My netbook arrived with 1GB but supports 2GB and adding the extra 1GB made quite a difference.
Forum: Beginners Talk 11-11-2014, 10:57 PM
Replies: 16
Views: 321
Posted By mithrandir
Gabriel, you can look up the location of any...

Gabriel, you can look up the location of any Australian location with an official place name at http://www.ga.gov.au/map/names/

It won't be as good as you'd get from a GPS but will get you in the...
Forum: General Chat 11-11-2014, 06:15 PM
Replies: 5
Views: 138
Posted By mithrandir
We were just walking out of the SAN (Sydney...

We were just walking out of the SAN (Sydney Adventist Hospital) at 11am when the minute silence notification came over the PA.
Forum: Beginners Talk 11-11-2014, 03:32 PM
Replies: 16
Views: 321
Posted By mithrandir
Just don't trust the scale on the mount to be...

Just don't trust the scale on the mount to be accurate. You should check it with another device like a digital level.
Forum: General Chat 11-11-2014, 11:40 AM
Replies: 20
Views: 310
Posted By mithrandir
Happy Birthday Andrew. My better half's...

Happy Birthday Andrew. My better half's brother-in-law has exactly 33 years head start on you.
Forum: Deep Space 10-11-2014, 10:32 AM
Replies: 18
Views: 347
Posted By mithrandir
Mike, you can download Aladin (it needs Java)...

Mike, you can download Aladin (it needs Java) from http://aladin.u-strasbg.fr/aladin.gml (or run it online) and it will do all the hard work getting the data from Simbad.

You open your...
Forum: Deep Space 10-11-2014, 10:25 AM
Replies: 18
Views: 347
Posted By mithrandir
Are your two images oriented the same way? A...

Are your two images oriented the same way?

A quick Aladin+Simbad search only shows up a few blue star candidates - one B8 and six F[568]
Forum: Astrophotography and Imaging Equipment and Discussions 09-11-2014, 06:12 PM
Replies: 46
Views: 1,665
Posted By mithrandir
Brian must have noticed my post. Here's the reply...

Brian must have noticed my post. Here's the reply he sent me, with a couple of edits for correct typos:
Forum: Beginners Equipment Discussions 08-11-2014, 09:22 PM
Replies: 14
Views: 467
Posted By mithrandir
How useful a 1mW laser is depends on the light...

How useful a 1mW laser is depends on the light pollution. Around here they are next to useless. It takes about 10mW to provide a line visible to anyone more than arm's length from the person holding...
Forum: Astrophotography and Imaging Equipment and Discussions 08-11-2014, 09:05 AM
Replies: 46
Views: 1,665
Posted By mithrandir
Very funny. Sony seem to have no plans to release...

Very funny. Sony seem to have no plans to release a proper SDK for the alpha series so you can do the sort of automation you can with Canon. You can control if over wifi so it might be possible to...
Forum: Astrophotography and Imaging Equipment and Discussions 08-11-2014, 09:01 AM
Replies: 46
Views: 1,665
Posted By mithrandir
Here's a link to some of Brian's images with an...

Here's a link to some of Brian's images with an AT8RC on Google+ https://plus.google.com/photos/116260312230579398213/albums/6076178317417761713

The RRP in Oz is about $2400 body only but I got a...
Forum: Astrophotography and Imaging Equipment and Discussions 07-11-2014, 10:51 PM
Replies: 46
Views: 1,665
Posted By mithrandir
I've got an unmodified a7s. It's low noise up to...

I've got an unmodified a7s. It's low noise up to ISO6400, reasonable up to 56000 and tops out at 409600 (yes that is four hundred and ninety six thousand) which lets you shoot handheld in almost...
Forum: General Chat 07-11-2014, 10:44 PM
Replies: 77
Views: 1,144
Posted By mithrandir
What is getting up everyone's nose is the...

What is getting up everyone's nose is the investors forcing intending resident buyers out of the market.

As said by various people, when we bought our first property (a unit) in 1976 it was $28K....
Forum: Astrophotography and Imaging Equipment and Discussions 07-11-2014, 10:25 PM
Replies: 2
Views: 289
Posted By mithrandir
From Sony's announcement: 172750

From Sony's announcement:

172750
Forum: General Chat 07-11-2014, 03:50 PM
Replies: 77
Views: 1,144
Posted By mithrandir
You obviously don't live in Sydney. For 3-4 times...

You obviously don't live in Sydney. For 3-4 times average earnings in most suburbs you can't buy a doghouse.

I'd have less of an issue with negative gearing if it only applied to new construction.
Forum: General Chat 06-11-2014, 12:41 PM
Replies: 9
Views: 288
Posted By mithrandir
I'm getting a bit blase about MRIs. I'm down for...

I'm getting a bit blase about MRIs. I'm down for my third one this year the week after next.
Forum: Software and Computers 05-11-2014, 03:49 PM
Replies: 7
Views: 164
Posted By mithrandir
You don't have to use the same port, but Windows...

You don't have to use the same port, but Windows is stupid enough to have to reinstall the drivers every time you use a new one.

If you are using a hub, ALWAYS plug the hub into the same port and...
Forum: Deep Space 04-11-2014, 04:50 PM
Replies: 15
Views: 449
Posted By mithrandir
Here's a list of objects - other than UCAC or...

Here's a list of objects - other than UCAC or NOMAD stars - close to the bubble.
Forum: Deep Space 02-11-2014, 05:27 PM
Replies: 15
Views: 449
Posted By mithrandir
Fred, Aladin+Simbad puts NGC1948...

Fred, Aladin+Simbad puts NGC1948 (http://simbad.u-strasbg.fr/simbad/sim-id?Ident=NGC++1948&NbIdent=1) inside the bubble. There is also BGS2006b...
Forum: General Chat 28-10-2014, 09:25 AM
Replies: 17
Views: 422
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...
Showing results 1 to 25 of 500

 
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