Hi folks. I've put together a list of 8300 based cameras from different suppliers. I've analyzed all these cameras supplied specs. Price is of course a...
66492
innivodave
Dec 31, 2009 2:36 am
Hi all, My house has a flat roof, and I'm thinking about trying to take advantage of it seeing as I have limited viewing in my garden due to trees. The...
66493
Mike Dodd
doddm2001
Dec 31, 2009 2:50 am
... the two main concerns I've always heard when people talk about putting a telescope on the roof are vibration and heat radiation. Even a little vibration...
66494
dannysperry
Dec 31, 2009 6:13 am
Large wood structures such as houses also tend to shift and settle throughout the night as the temperature changes. - Danny...
66495
Stu Beaber
wd4sel
Dec 31, 2009 1:42 pm
Chris, I can understand your dilemma. I have struggled with the same decision since the announcement of the various brands of 8.3 meg cameras. I too use a SBIG...
66496
Hap Griffin
hapgriffin01
Dec 31, 2009 3:01 pm
I was originally a bit hesitant about going with the wsg body for the QSI with the built-in OAG mirror, but with plans to purchase a long focal length...
66497
GordonM
mandellgl
Dec 31, 2009 3:02 pm
Hi Mike. Thank you for your comments and the link. The most obvious point of movement on my imaging scope is the FLI DF-2 focuser. The 2 plates that make up...
66498
Stu Beaber
wd4sel
Dec 31, 2009 3:08 pm
Hap, you have a very nice combo there. I tried the guide chip in my ST-8XME a few times and didn't like sometimes (most) having to hunt for guide stars....
66499
GordonM
mandellgl
Dec 31, 2009 3:09 pm
Hi Niall, I understand what you're saying and I think that we are describing the same problem. However, I dither between subexposures so if I combined my...
66500
Sander Pool
sander_pool
Dec 31, 2009 3:29 pm
This is an article I wrote a while back describing how to measure DF using free software. You may be able to adapt your own software for the same purposes. ...
66501
mandellgl
Dec 31, 2009 3:43 pm
Hi Steve. Thank you for your comments. From what you say, differential flexure is probably the cause. I am using a separate guidescope. The guidescope camera...
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GordonM
mandellgl
Dec 31, 2009 3:45 pm
Thanks Sander. I'll check it out. Gordon Mandell...
66503
ramastronomy
Dec 31, 2009 4:30 pm
Hi, As I day-dream about replicating the equipment setup in my own backyard, I'm just intrigued by which CCD is being used by the MEearth project? Any ideas? I...
66504
innivodave
Dec 31, 2009 5:24 pm
Thanks Mike, vibration was my main concern but I hadn't thought about heat radiation. Do you know if it's something that's always present or just in warmer...
66505
innivodave
Dec 31, 2009 5:24 pm
Thanks Danny, I should have been more specific. I live in the UK in a brick house. I guess that wouldn't be so much affected by temperature as a wood house,...
66506
Neil Fleming
neilfleming
Dec 31, 2009 5:26 pm
Very nice results, Hap. ...Neil www.flemingastrophotography.com Direct from Boston - brilliant diamonds in pea soup Also check out the...
66507
Wodaski - Yahoo
rwodaski
Dec 31, 2009 5:42 pm
There will always be temperature differential. And a brick structure holds, and then releases over a long period of time, more heat than a wood structure...
66508
Larry Phillips
llpastro
Dec 31, 2009 5:55 pm
Greetings. I would like to get an understanding of the effect of QE on a final image. If I had an ST-2000XM with lower QE and an ST-10XME with higher QE...
Hi Rex,  I had not considered the ST-8300 and STL filter wheel. I'm just hesitant a bit on the SBIG. I wonder about the read noise and quality of...
66511
xfactor2015
Dec 31, 2009 8:33 pm
Sorry meant to say Apogee Alta U42. Here is Biqsue's post on it: ...
66512
xfactor2015
Dec 31, 2009 8:33 pm
I was reading about that in a few different articles, very cool stuff. I believe they were using the Apogee U47. I have a U16M and was interested myself, the...
66513
Mike Dodd
doddm2001
Dec 31, 2009 8:36 pm
... In the summer, the roof absorbs sunlight and re-radiates the heat at night. In the winter, heat from inside the house (to keep people warm) migrates...
66514
repichr
Dec 31, 2009 8:51 pm
Or, The ST8300 is the first competitively priced camera in this recession market, ( I hope more companies try to compete with SBIG on this one). Also the...
66515
warhen
warhenk
Dec 31, 2009 11:22 pm
All reports are it's a very sweet chip at a great price. We already have ATIK, QSI, Starlight Xpress, Orion, and QHY as well as SBIG to choose from. Best of...
66516
warhen
warhenk
Dec 31, 2009 11:24 pm
Chris, Thanks for this. ATIK has just announced the 383L+ KAF-8300 cam as well. Best, Warren Keller...
66517
ramastronomy
Dec 31, 2009 11:37 pm
Thanks Nav ! Best regards R,...
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chris provost
lineman_16735
Dec 31, 2009 11:38 pm
Hi Warren, Â Since the Atik, and SX cams are yet to be released or their pricing I can not even consider those on my impulse purchase list:-)Â The QHY and...
66519
Hap Griffin
hapgriffin01
Jan 1, 2010 2:25 am
I can tell you from experience that the internal OAG in the QSI wsg body works VERY well. I am using the Lodestar guider with it and haven't had any trouble...
66520
GordonM
mandellgl
Jan 1, 2010 6:42 am
Friends. I found some interesting data and was hoping it could shed some light on my star elongation problem. Follow this link to a GIF animation that is...
