Hello All, After 4 nights of collecting data and assembly I finished a 2x1 mosaic of IC2177 in Monoceros. Each panel is about 5hrs exposure through Astronomik...
I am considering a scope for mostly imaging but I would also like to do some visual. I know the Ritchey Cretian is mainly for imaging but can anyone tell me...
Hi Jeff, I have an OGS 12.5 F9 RC that I consider to be excellent visually. Granted, it is not a planetary scope, IMHO not only because of the large...
thanks for the on and off list replies. They have been very helpful jeff ... Granted, ... secondary but ... the view ... I use it ... that ... best view of ...
Hi, NGC 1398 is a beautiful sample of a face-on spiral galaxy with a well defined and distinct bar bisecting its central core. The constellation Fornax hosts...
Jeff, I've got a 20" f/8 RC that provides stunning visual images :-O! Larger CO yes, but "there is no substitute for aperture" and as long as the optics are...
Jeff et al, Wishful thinking but how nice it would be to see one day a 20" RC by RC! ;-) I would be the first in line with a blank check. Anthony. ... ...
In a message dated 1/31/2009 4:31:32 PM Central Standard Time, ... Never heard of it. Who makes it? Rolando ************** Great Deals on Dell Laptops....
Starzonia, http://www.hyperiontelescopes.com/index.php ...joe :) "May You Go Among The Imperishable Stars" Joe Mize www.cav-sfo.com Chiefland Astronomy...
In a message dated 2/2/2009 10:40:58 AM Central Standard Time, jmize@... ... Since an RC has hyperbolic optical surfaces (thus the name Hyper ion), I ...
Rolando, the Hyperion it is a Harmer-Wynne mirror configuration, Parabolic primary, Spherical secondary and a corrector midway between them for ~f/8 ...
In a message dated 2/2/2009 11:26:57 AM Central Standard Time, jmize@... ... Ok, thanks. There are a number of variations on this theme that require ...
In a message dated 2/2/2009 11:26:57 AM Central Standard Time, jmize@... ... What is the price for this scope? Rolando ************** Great Deals on Dell...
$10,000 confirmed, first OTA is due to be shipped by the end of February. The Camera Rotator, Secondary Dew Heater, Fans, Control Center and two Dovetails are...
Rolando, I would appreciate any if your thoughts on the Harmer Wynn design. I know you can only speak on the optical design of the Harmer Wynn and not about...
A deep field around the Orion nebula : http://users.skynet.be/dk.astro.photo/deepsky/orion_stl.htm AP 130 f/5; with reducer and AP-STL adapter AP 900 GTO ...
In a message dated 2/2/2009 12:41:13 PM Central Standard Time, ... If done right, it looks like a good idea. Same end result as an RC with field flattener. In...
In a message dated 2/2/2009 1:22:06 PM Central Standard Time, ... Very nice. Lots of faint stuff in your image. Rolando ************** Great Deals on Dell...
Stuart and Anthony, Thank you both for your kind and encouraging words! Would either of you know what that small coma shaped object is to the right of the...
Didier, I like it a lot. You captured M42 in an exquisite way that only a black and white can do! To me it's a powerful image and yet not overstated,...
Very interesting. Imagine a 30" (ish) Dobsonian, with a slightly taller than normal rockerbox. The primary is already a parabaloid, right? Replace the...
Jeff, I'm not an optics person just someone very interested in the Hyperion. Google "Harmer-Wynne" there are other articles out there. Try this one for the...
In a message dated 2/3/2009 6:25:47 AM Central Standard Time, jey@... ... With a long focus primary you can get by with a simple coma corrector. No need...
John, The object is real as it appears elsewhere I just checked. However, I cannot get an indication of what it is. If you find out, please let us know. ...
Having problems with message search?
Fill out this form to ensure your group is one of the first to be migrated to the new message search system.
