I am self-guiding my 12" RCX with an SBIG camera and MaximDL using a 5 sec correction loop. Corrections are being applied via the guider relay inputs. The...
10905
David Yaney
dsyaney
Oct 1, 2007 3:12 pm
Murray - I don't see any way to avoid counterweights. Since the piggyback scope is offset from the center of the RCX by a considerable distance (many inches),...
10906
Doc
pessemist
Oct 1, 2007 3:14 pm
... crossing the meridian with the initial two star alignment in the Eq. mode, but I'm not sure if they relate to all RCX's or just my MaxMount. I would love...
10907
autostaretx
Oct 1, 2007 3:52 pm
... My -guess- is that Maxim commanded a real "GoTo" instead of simply issuing guider commands. The beep would have been the arrival. Without a serial trace...
10908
autostaretx
Oct 1, 2007 4:02 pm
... It's also described in the Updater's HELP pages under "damaged handbox", and frequrently referred to in many of these groups as "Safe Load". To...
10909
David Yaney
dsyaney
Oct 1, 2007 8:41 pm
Dick - Very interesting suggestion - as turns out Maxim was not "connected" to the scope in the logical sense but TheSky was. I would also point out that while...
10910
Doc
pessemist
Oct 1, 2007 11:04 pm
... I would have given my dominant appendage to have this little tidbit of information late last night. What I don't understand on any level is Meades failure...
10911
autostaretx
Oct 1, 2007 11:10 pm
... You only mentioned MaximDL in your note, so that's why i said Maxim. Failure to properly report your environment will get incorrect responses. Insert...
10912
autostaretx
Oct 1, 2007 11:21 pm
... In Safe Load mode the above list of steps may not apply. (it -may- with the newest ASU (4.6) and the RCX, but previous versions of ASU working with the...
10913
uncarollo2
Oct 2, 2007 12:00 am
... to ... The Sky6 does indeed send a command to a mount (and not just the Meade mounts) to move by a small amount - a few arc minutes. This happens if you...
10914
autostaretx
Oct 2, 2007 12:02 am
... It's available from the link at the bottom of this page: <http://www.microsoft.com/technet/sysinternals/utilities/portmon.mspx> or, to be specific: ...
10915
Bill Bishop
bish65535
Oct 2, 2007 3:24 am
/me pictures scope and mount doing a maximum speed drive in DEC/ALT, flipping over and over, designed to hone the bearings, parts flying off in all directions,...
10916
Doc
pessemist
Oct 2, 2007 3:24 am
Any issues with using the DSI Pro II imager with the Orion Filter wheel on the RCX400 12"? Specifically any problems achieving back focus? I'll be using the ...
10917
Thad Floryan
thad_floryan
Oct 2, 2007 5:48 am
... off in ... Hah, hah, HAH! Kinda reminds me of the "Balance Test" for the LX200 Classic -- it moves the OTA rapidly in Dec so one can hear the motor...
10918
Kenneth Richmond
kennywrichmond
Oct 2, 2007 1:17 pm
The RCX on a MaxMount has an electronic balancing routine that has it moving about 450 lbs. up and down an inch or so while it seems to measure the amp load...
10919
Kenneth Richmond
kennywrichmond
Oct 2, 2007 1:18 pm
Doc, Check your manual for the measured distance to the focal plane, and if it does not appear there, check all over Meade's web site. I've just learned a...
10920
David Yaney
dsyaney
Oct 2, 2007 3:49 pm
Doc - I measured the back focus of my 12" some time ago. I'll quote distances measured from the rear lip of the scope visual back below. These values are the...
10921
Doc
pessemist
Oct 2, 2007 5:05 pm
Thanks this was exactly the information I was looking for. Doc Doug ... operating ... combination ... a ... on ... problem ... the ... (rather ... That ... ...
10922
Jim Carlisle
astrojim1
Oct 2, 2007 10:12 pm
Right off the top, it sounds like something is accumulating until the traffic is jammed. Jim Carlisle...
10923
David Yaney
dsyaney
Oct 2, 2007 10:12 pm
Rolando - Your experience does match mine pretty closely. I didn't actually check to see if the guide star was lost. I have seen Maxim issue a message, "Guide...
10924
Kenneth Richmond
kennywrichmond
Oct 3, 2007 1:51 am
Did you measure or otherwise test the diffraction of the 12" RCX at the focusing distances you have described? Are not the Meade and Celestron reducers also...
10925
Joseph Gillman
j_gillman2002
Oct 3, 2007 1:18 pm
The focus position has only 14mm of travel?? I would think that the seconday mirror and corrector have about that much travel, and since the secondary is...
10926
Kenneth Richmond
kennywrichmond
Oct 3, 2007 4:21 pm
Joe, 14 mm. is the focus travel on my scope, but the more important issue might be focus at the zero mm. location. According to what I've been told at the...
10927
David Yaney
dsyaney
Oct 3, 2007 4:24 pm
You have it right. The RCX-400 handbox shows the focuser position in units of mm and I believe the limit values are +14mm and -14mm. The actual movement of the...
10928
Brian Schilt
brianschilt
Oct 3, 2007 7:11 pm
Johnathon, I wish there was a manual or writeup somewhere explaining some of the things that one can do to tighten up and adjust one's scope. Did you learn it...
10929
uncarollo2
Oct 3, 2007 7:55 pm
... issue might be focus at the zero mm. location. According to what I've been told at the BFSP, the Aplanatic optics of the RCX produce a diffraction limited...
10930
Kenneth Richmond
kennywrichmond
Oct 3, 2007 9:45 pm
Rolando, If I am correctly interpreting your remarks, although it is true that there is an optimal distance between the primary and secondary mirrors there...
10931
Stuart Thomson
ratalfa
Oct 4, 2007 2:19 am
Sorry to point this out Joe, but half an inch is 12.5mm, so 14mm is more. Cheers Stuart...
10932
sctobserver
Oct 4, 2007 2:19 am
I'm not usually picky, but considering the cost and the optical excellence of this impressive instrument (and getting unanimous opinions from my fellow...
10933
j_gillman2002
Oct 4, 2007 1:35 pm
Sorry I hadn't had my coffee yet :p but I guess I was right about the travel of the mirror being 14mm not the focus point. As with SCT's the primary is approx...