Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the ap-gto group. File : /AP900PE.jpg ...
6162
Dan Kaiser
dhkaiser2002
Dec 2, 2002 4:26 am
Back in June of this year George Sallit ask... ... Just tonight I did a periodic error test on my newly arrived AP 900GTO. I will post the graph in the files...
6163
Joe Marietta
jmarietta
Dec 2, 2002 11:22 am
See the following link: http://www.darklightimagery.net/AP900GTO.html Joe...
6164
Joe Marietta
jmarietta
Dec 2, 2002 1:25 pm
Hello, I a have been using Roland's technique of polar aligning with a CCD adn CCDOPS track and error. I have the dec down to less 1/3 of a pixel drift or 0.46...
6165
Steve...
k4ikm
Dec 3, 2002 12:39 am
Joe, More likely, these are due to refraction in the atmosphere. As you probably know, the atmosphere causes stars to move at different rates when they are at...
6166
Robert Kuberek
skater91354
Dec 3, 2002 4:35 am
You didn't mention whether you shimmed the rings. Bob K....
6167
Joe Marietta
jmarietta
Dec 3, 2002 7:20 pm
Hi Bob, Nope I did not shim the rings. I have an AP 155 with AP rings on a losmandy dove tail plate. I read Roland's procedure on how to check fo...
6168
Joe Marietta
jmarietta
Dec 3, 2002 8:57 pm
Hello I just read the following statement in a polar alignment article on starizona.com: "The use of a polar scope and the drift alignment method are ...
6169
Gil Jones
azgilrock
Dec 3, 2002 10:15 pm
You can have your mount polar aligned without the scope being orthogonal. The result is that if you sync on a star in the east, every object you slew to on the...
6170
Ludwig Allegra, MD
ludwigallegra
Dec 4, 2002 12:21 am
Yes, orthogonality only deals with pointing accuracy as one "flips" the meridian. Perfect polar alignment is achievable even with a great deal of ...
6171
Steve Reilly
sreilly22911
Dec 4, 2002 12:43 am
I assume that this does not refer to SCT's due to mirror movement issues? Steve ... From: Ludwig Allegra, MD [mailto:Ludwig@...] Sent: Tuesday, December...
6172
Dan Kaiser
dhkaiser2002
Dec 4, 2002 2:06 am
DOVELM users be aware! I mounted a C14 on my new 900GTO using the DOVELM adapter. This adapter grips the Losmandy dovetail plate with 2 angled rods, the...
6173
H. Gryttenholm
mrgrytt
Dec 4, 2002 3:57 am
The brass "angled rod" should not be able to rotate. There is a alignment groove in the bottom of the angled rod that a alignment pin engages. The rod ...
6174
AA Johnah Fish Estates
mkeitel2000
Dec 4, 2002 11:10 am
Dan, I changed my plate out to a Meuller Ultra Adaptoid Plate Though I use it on a 1200 mount they make one for the 900 mount as well I did allot of research...
6175
Tim Khan
timkhan
Dec 4, 2002 12:19 pm
Greg also has a Mutant Adaptiod Plate that makes the losmandy dovetail look puny in comparison. It is also a tip-in like the Dovelm. Tim ... ...
6176
AA Johnah Fish Estates
mkeitel2000
Dec 4, 2002 1:03 pm
Tim, Did not know that he made an older type plate Since there is only one on his web site and it is the much sturdier one Mark ... From: "Tim Khan"...
6177
Bryan Henry
planetary_hu...
Dec 4, 2002 1:24 pm
Do you have a URL for the Mutant Adaptoid Plate? Thanks. Bryan...
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AA Johnah Fish Estates
mkeitel2000
Dec 4, 2002 1:28 pm
Yes sorry http://www.muellersatomics.com/gizmos2.htm Mark ... From: "Bryan Henry" <behenry10@...> To: <ap-gto@yahoogroups.com> Sent: Wednesday, December...
6179
Steve...
k4ikm
Dec 4, 2002 1:45 pm
Mark, Could you measure the depth of the dovetail on this plate? I have a mounting plate by Robin Casady and it is on the shallow side, my dovetails are barely...
6180
AA Johnah Fish Estates
mkeitel2000
Dec 4, 2002 1:50 pm
Steve, All that I know is that I am using a Losmandy plate on the bottom of my scope and I have to slide it into the Meuller plate it will not go in like I use...
6181
Tim Khan
timkhan
Dec 4, 2002 3:11 pm
Actually A friend and I special ordered it from Greg. Off the top of my head, its about 7" wide and 24" long and 3/4" thick, and drops in like the dovelm and ...
6182
AA Johnah Fish Estates
mkeitel2000
Dec 4, 2002 3:19 pm
Tim, Very nice Mine is 3/4" thick and I believe 15" long though, how ever long the Losmandy plate is add 2" to it. I can not drop mine in though. The groves...
6183
Gloony
Dec 4, 2002 4:24 pm
I have addressed this incident with Mr. Kaiser personally, however, I thought I should also respond to the group message. It appears that the setscrew used to...
6184
Dan Kaiser
dhkaiser2002
Dec 4, 2002 4:44 pm
Thanks to all who have responded. As noted by "Gloony" ( ? ;-) ) Astro-Physics has let me know that I apparently have a defective DOVELM. I will return it to...
6185
Greg Arnold
sbwriter1
Dec 4, 2002 4:50 pm
I wonder if AP has plans to change their other plates to locking blocks. From the e-mail address, it appears that Gloony is Christine at AP....
6186
Dan Kaiser
dhkaiser2002
Dec 4, 2002 5:19 pm
... Yes I was aware of that. I was trying to interject a bit of levity into a serious situation. Christine has been very forthcoming and helpful concerning...
6187
AA Johnah Fish Estates
mkeitel2000
Dec 4, 2002 5:25 pm
I should have posted my experience I had the AP plate too I threw mine in the garbage and bought the Meuller one Mark ... From: "Greg Arnold" <soarxc@...> ...
6188
Christine Schmidt
apchristine
Dec 4, 2002 8:20 pm
The DOVELM16 was created specifically for the heavier equipment. The DOVELM is great for the 400 and 600E mounts with smaller refractors or reflectors. You...
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Tim Khan
timkhan
Dec 4, 2002 8:25 pm
Mark, Isnt that a little strong wording? Some of my ccd images are done using the dovelm and lomandy plate, with a 80 f/ll guidescope on one end and the small...
6190
AA Johnah Fish Estates
mkeitel2000
Dec 4, 2002 8:51 pm
Tim, Strong wording? Should I have said I placed it gently in file 13? Placed it in the circular file? Let is have another home somewhere else? I just told...