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Search: Posts Made By: tempestwizz
Forum: IceTrade Archives 09-04-2014, 06:54 PM
Replies: 2
[TRADED/FOUND] Meade F/3.3 Focal Reducer
Views: 79
Posted By tempestwizz
Yes, I have one surplus to requirements. I bought...

Yes, I have one surplus to requirements. I bought it some 8 or so years ago from Bintel I think. Has seen the light of night only once. In mint condition.

Brian
Forum: IceTrade Archives 17-03-2013, 01:08 AM
Replies: 4
Views: 1,548
Posted By tempestwizz
I may be interested. Is this still available ?

I may be interested. Is this still available ?
Forum: ATM and DIY Projects 10-03-2013, 10:55 PM
Replies: 28
Views: 1,932
Posted By tempestwizz
My main use is for Aluminium. I have built a...

My main use is for Aluminium.
I have built a couple of Dobs so far using aluminium.i tried using a cheaper MIG the first time, and a combination of under power and under-gassing did not allow ideal...
Forum: Astrophotography and Imaging Equipment and Discussions 15-01-2013, 10:36 PM
Replies: 21
Views: 1,177
Posted By tempestwizz
I am a little reluctant to buy into this...

I am a little reluctant to buy into this discussion as my view is not well aligned with the majority.
I agree with the focal lengths, ie 85mm and up to 200 mm for full frame shots. I do not agree...
Forum: Astrophotography and Imaging Equipment and Discussions 01-09-2012, 04:48 PM
Replies: 6
Views: 464
Posted By tempestwizz
I'd check the direction of elongation also. ie is...

I'd check the direction of elongation also. ie is it in the Dec plane or the RA plane or flexure if in line with guide-scope gravity. That would give a clue what to look for most.
Is the extent of...
Forum: ATM and DIY Projects 09-12-2011, 11:50 PM
Replies: 10
Views: 905
Posted By tempestwizz
Do you have any information regarding what...

Do you have any information regarding what frequency(ies) you are looking to detect? There are a couple of ways to improve the antenna type while keeping it compact. Also, the method of coupling the...
Forum: Mobile Astronomy Apps 05-12-2011, 11:59 PM
Replies: 31
Views: 2,515
Posted By tempestwizz
Not an expert, but I believe Apple acknowledged...

Not an expert, but I believe Apple acknowledged this weakness with first release and have since fixed problem through updates. I have not noticed current issues with my iPhone 4, or iPad2, wires 3GS...
Forum: Software and Computers 20-11-2011, 11:39 AM
Replies: 3
Views: 400
Posted By tempestwizz
I'm no expert with Orion Starshhot, but I had a...

I'm no expert with Orion Starshhot, but I had a spate of similar problems some time back which ended up being caused by the Antivirus software. It just wouldn't allow drivers to load, although the...
Forum: Beginners Astrophotography 08-10-2011, 11:18 AM
Replies: 11
Views: 722
Posted By tempestwizz
I would strongly recommend the use of a UHC...

I would strongly recommend the use of a UHC filter. I use an Astronomik. Basically I can get twice the (signal) exposure time before the pollution (noise) reaches the same level.
UHC for me works...
Forum: Equipment Discussions 05-10-2011, 10:59 AM
Replies: 34
Views: 2,290
Posted By tempestwizz
I purchased a used EM200 about 5 years ago and...

I purchased a used EM200 about 5 years ago and have to admit that I am less than happy with it. I'm not sure of its history but it doesn't guide anywhere near as well as I had hoped. I may just have...
Forum: General Chat 07-09-2011, 10:08 AM
Replies: 144
Views: 4,801
Posted By tempestwizz
Mine is first official light for my self-built...

Mine is first official light for my self-built 12.5" dob near parliament house in 2006.
The name relates to a field of testing that I do, and I'm the only commercial tester in Oz, so I must be a...
Forum: Beginners Equipment Discussions 02-09-2011, 09:29 AM
Replies: 2
Views: 354
Posted By tempestwizz
Basically you are correct in your simplistic...

Basically you are correct in your simplistic assumptions. The purpose of the focal reducers is to increase the available angle of view through a given optic system.
Nothing is ever perfect however,...
Forum: Beginners Astrophotography 01-09-2011, 07:42 AM
Replies: 3
Views: 292
Posted By tempestwizz
Following on from Steffen, stopping down a...

Following on from Steffen, stopping down a terrestrial lens will increase your depth of field making objects nearer and further from the actual focus point also appear to be in-focus. For astro work...
Forum: IceTrade Archives 26-02-2011, 05:21 PM
Replies: 14
Views: 1,495
Posted By tempestwizz
OK, OK, I'll take it. PM Sent. BC

OK, OK, I'll take it.

PM Sent.

BC
Forum: DIY Observatories 18-02-2011, 10:23 PM
Replies: 15
Views: 1,765
Posted By tempestwizz
The only advice I can offer in concurrence with...

The only advice I can offer in concurrence with much of the other already given is for the mounting method onto the pier.
I dug a hole almost 1 metre square, and a metre deep. I placed quite a bit...
Forum: IceTrade Archives 19-01-2011, 01:23 PM
Replies: 2
Views: 521
Posted By tempestwizz
I find my 35mm Panoptic excellent for my 12" F5...

I find my 35mm Panoptic excellent for my 12" F5 Dob.
Forum: Astrophotography and Imaging Equipment and Discussions 31-12-2010, 04:45 PM
Replies: 17
Views: 1,026
Posted By tempestwizz
As you can now see, my 'new' dark appears to be...

As you can now see, my 'new' dark appears to be OK. (Feeling a little foolish now)
I could have sworn the lens cap was on when I was taking darks the other night. Obviously I did not have it on...
Forum: Astrophotography and Imaging Equipment and Discussions 31-12-2010, 03:35 PM
Replies: 17
Views: 1,026
Posted By tempestwizz
Chaps, The second image is what I though should...

Chaps, The second image is what I though should have been a dark. It was fairly stretched though.
I am currently taking more darks as suggested. Inside a dark-bag.
Bert's explanation for the flat...
Forum: Astrophotography and Imaging Equipment and Discussions 31-12-2010, 12:11 AM
Replies: 17
Views: 1,026
Posted By tempestwizz
The defect became apparent when making darks and...

The defect became apparent when making darks and flats. It appears like a dark bar across the bottom of the image frame.
I'll attach a couple of shots. One is a flat (with stars in it) showing lens...
Forum: Astrophotography and Imaging Equipment and Discussions 30-12-2010, 01:19 AM
Replies: 17
Views: 1,026
Posted By tempestwizz
Canon 5Dii caveot emptor

Just an advsory note, Bought a Canon 5Dii in Singpore June . On the surface, looked good, but!
Seems to have lmuch ess sensitive area in the lower area of image, as in, a line of lesser...
Forum: Software and Computers 19-11-2010, 09:32 PM
Replies: 21
Views: 1,278
Posted By tempestwizz
Nortons seems to work for me so far with all the...

Nortons seems to work for me so far with all the software I'm running. (SkyX pro,CCDsoft, CCDstack,Envisage,Registax,IC Capture, Iris.)

BC
Forum: Software and Computers 16-11-2010, 08:42 PM
Replies: 21
Views: 1,278
Posted By tempestwizz
I've only just spotted this thread, but I have...

I've only just spotted this thread, but I have had a similar problem with IC Capture, but I have a feeling its actually related to the CA Antivirus.
I had so much trouble with other programs...
Forum: Equipment Discussions 24-06-2010, 04:05 PM
Replies: 63
Views: 2,092
Posted By tempestwizz
As another who has bought the genuine article, I...

As another who has bought the genuine article, I have had faultless service for somehwere near 4 years now. I have changed the battery once in that time. I'm expecting to change it again soon. It has...
Forum: Equipment Discussions 12-05-2010, 01:20 PM
Replies: 31
Views: 1,916
Posted By tempestwizz
If you are talking about extended objects, ie...

If you are talking about extended objects, ie anything but stars, the most of the above logic holds true.
Stars however are different, since depite their apparen brightness and size, they are truly...
Forum: IceTrade Archives 06-05-2010, 09:41 AM
Replies: 1
Views: 317
Posted By tempestwizz
PM Sent re purchase.

PM Sent re purchase.
Showing results 1 to 25 of 104

 
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