Hi Alex, I do not know how your workflow was but normally first reduce your image to maybe 1200x800 or 900x600 in tif format and then save it as JPG with a...
The VC200L is a good option. I'd also add the Celestron 9.25" SCT to your list of possibilities. It's a good all-purpose scope with better- than-average optics...
Thanks Donal, that is very helpful. It is interesting to see the number of images contained within some of these Mosaics. I will be quite happy to do 2 or 4. ...
Hello all M56 one day after full moon ( 31.July 2007) !! I was quite astonished what is with modern CCD's possible. As usual with my 50cm f7.15 Cassegrain and...
Hi,Everybody My equipments are ST 2000XM VC2000L+ reducer (plate solved image scale 1.21 arcsec) EM200 Temma 2 I set minimum move 0.033(peak to peak maximum...
Dear Steve Mandel I'm looking forward to attend AIC. Could you send me an invitation letter for me to get the permission from the government to attend this...
The VC200L is an excellent scope. It will give a nice flat field, I use a STL-11000 and it is sharp all the way to the edges, add a robofocus and you have an...
Hi all. I have recently acquired a 10 inch RCOS carbon tube version that needs a bit of restoration. It is a 1998 vintage and currently has no TTC fitted,...
Dave, I don't know the recomended method of removing the Secondary Mirror from the cork but you could use Dental Floss to saw through the cork if needed. This...
Hi Dave, You'll probably be better off asking this question on the RCOS forum: http://customer.rcopticalsystems.com/6/ubb.x Telephoning RCOS directly always...
I am going through this process with a 16" OGS currently. OGS uses standard contact cement to attach the secondary. They use a heat gun to warm the glue on...
Hi, This resource helped me a lot for setting up my guiding parameters: http://www.ccdware.com/resources/autoguidercalcv4.cfm Regards, Dave ... aggressiveness ...
Thanks again to all who weighed in on my oval star problem two weeks ago. Your advice led to real improvement, but not a definitive fix. That came from a...
Thanks for the replies so far. I would still like to know how the heater is mounted to the mirror. As far as I can tell my 10 inch has no facility for...
Well, your in luck Dave. I had a RCOS 12.5" made about the same time as I remember it was set up the same. You just slip on the primary and off you go provided...
I have received several emails from folks wondering what is going on. I have been told by speakers schedulaed for the East Coast conference that they were told...
There aren't that many vintage RCOS scopes out there. Combine that with the fact that Brad has been making changes to nearly all of the components over time,...
Hi all! First of all, I would like to say to all of you thank you. Thank you to give me some advices Thank you to help me Thank you to answer to my questions ...
... I resize the image to the resolution required by the printing service I use ( mpix.com).for any given print size, MPIX lists a minimum number of pixels, so...
Regarding the web link below from ccware, when they are talking about determining the peak to peak allowable error, does it mean calculate .75% of the guider...
... I should add that I've made a number of 11 x 14 inch prints from my ST-8 images (1530x1020 pixels) using this method. The results are very nice indeed,...
... I decide what size print I want (e.g. 11 x 14 inches), van in Photoshop, I resize the image using probably 200 to 250 pixels per inch, or whatever MPIX...
... Thanks for your response. I calculated my minimum move setting from this site too. What I worried is would the calculated time too small for my 2 arcsec...
We regret that we must inform you of the cancellation of the East Coast Conference on Astronomical Imaging on September 28 to 30, 2007. The number of attendees...
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