In a message dated 10/5/2004 4:52:27 AM Central Daylight Time, ... In my case, no matter how big the scope, there is a limit to how well an extended object can...
10873
Adrian Catterall
jaguar1804
Oct 5, 2004 9:51 am
Dennis.... I think you are referring to pixel sensitivity of a CCD camera. There is no way a 50mm F1.4 lens can detect an object better than a 20 inch scope ...
10872
rnapo
rnapo@...
Oct 5, 2004 6:47 am
... Hi Robert, It's not the vertical strength I'm worried about. ... I look forward to seeing your pier. ... Very good. I could use a diversion. Thanks, Rich...
10871
Robert
turtlepig
Oct 5, 2004 4:06 am
... Well I've never owned one of those AP piers, but I've been around dozens and dozens of copies, and they've never struck me as the high point of AP design....
10870
rnapo
rnapo@...
Oct 5, 2004 2:33 am
... Hi Rob, Thanks for the info. The Monolith doesn't look like it is as stable as my AP pier. Is it? I don't mind the setup time of my AP pier and it is...
10869
Robert
turtlepig
Oct 5, 2004 2:22 am
... If there's one single thing you can do to decrease the setup time of either of those mounts, it would be to get your hands on a Monolith Pier from Particle...
10868
Dennis Persyk
dennis_persyk
Oct 5, 2004 1:52 am
Hi Rick, Re: "faintness of object detect"… Actually, extended sources' brightness does not depend on aperture size: It depends on focal ratio. A 35 mm camera...
10867
rnapo
rnapo@...
Oct 5, 2004 12:21 am
Hi Geoff, The setup time would be virtually the same for the 900GTO. It does weigh less but with the 1200 split into RA & Dec is it still to heavy for your...
10866
Rick K
observe_m13
Oct 4, 2004 11:20 pm
What you say is true enough, but if one is limited to deciding on which image is best based upon the 'resolution' of the four quasar images in the 'Cross',...
10865
rnapo
rnapo@...
Oct 4, 2004 8:33 pm
I use the AP 900GTO and 52" AP pier to hold my AP 180EDT. Light winds are not a problem when planetary viewing. I haven't been carefull about measuring the...
10864
Randy Nulman
randy_nulman
Oct 4, 2004 8:04 pm
Hi, In my opinion, the large size and moment arm of the AP180 may make it a difficult scope to use with the AP900. I'm sure that Roland or others will chime...
10863
Val Robichaux
valrobichaux
Oct 4, 2004 7:27 pm
... Sorry about the confustion. 3rd time may be the charm - make the link html instead of htm, and it should work. It is the same image as the one Rick gave...
10862
chris1011@...
uncarollo2
Oct 4, 2004 5:36 pm
In a message dated 10/4/2004 11:28:34 AM Central Daylight Time, ... It appears that he had less light pollution - more of the fainter stars and the galaxy is...
10861
chris1011@...
uncarollo2
Oct 4, 2004 5:30 pm
In a message dated 10/4/2004 11:38:19 AM Central Daylight Time, ... This link doesn't work either. Roland christen [Non-text portions of this message have been...
10860
zyssis
Oct 4, 2004 5:05 pm
Hi all! I've been a member of the AP-UG for awhile and just joined this group. I've got two AP scopes, an AP130 f/6 EDFS (on a Carton TA Altaz or my ...
10858
Val Robichaux
valrobichaux
Oct 4, 2004 4:34 pm
... RCOS ... What is ... Sorry about the bad link. Should have been: http://www.rcopticalsystems.com/gallery/pgc69457.htm...
10857
Val Robichaux
valrobichaux
Oct 4, 2004 4:19 pm
... RCOS ... What is ... Try: http://www.rcopticalsystems.com/gallery/PGC69457.htm...
10856
Rick K
observe_m13
Oct 4, 2004 4:19 pm
I'm not sure if this is the one he is referring to, but it is worth a look: http://www.noao.edu/outreach/aop/observers/einsteinblock.jpg As impressive as this...
10855
chris1011@...
uncarollo2
Oct 4, 2004 3:13 pm
In a message dated 10/4/2004 9:53:20 AM Central Daylight Time, ... I knew it would only be a matter of time before he would do it too. What is it listed under?...
10854
Val Robichaux
valrobichaux
Oct 4, 2004 2:52 pm
... imaged this ... Thanks Roland. Adam Block has a nice image of it posted on the RCOS website taken with a 20" R-C from Kitt Peak. I'm not sure about his...
10853
Val Robichaux
valrobichaux
Oct 4, 2004 2:51 pm
... imaged this ... Thanks Roland. Adam Block has a nice image of it posted on the RCOS website taken with a 20" R-C from Kitt Peak. I'm not sure about his...
10852
chris1011@...
uncarollo2
Oct 4, 2004 2:37 pm
In a message dated 10/3/2004 1:53:37 PM Central Daylight Time, ... Very good. I think you may be only the second amateur to have imaged this object. Roland...
10851
Val Robichaux
valrobichaux
Oct 3, 2004 6:53 pm
After seeing Roland's amazing image of this object, I decided to give it a try last night. Seeing was abysmal early on but finally settled down to 2.1 ^s (with...
10850
rvbest123321@...
rvbest2001
Oct 3, 2004 2:03 pm
OK Eddie I'll remeber this. Looks like here in England were set for a few days rain. [Non-text portions of this message have been removed]...
10849
Eddie Guscott
pixelman2k1
Oct 2, 2004 11:05 am
As Roland stated - be careful which correction axis you turn off. If in doubt, try one after the other and see the results. You can access these from the...
10848
Tube Tim
limunary
Oct 1, 2004 11:33 pm
... There are many choices actually: http://www.switchcraft.com/products/jack-146.html Some of the 2.1mm ones have a longer barrel. You want the shorter...
10847
Dennis Persyk
dennis_persyk
Oct 1, 2004 4:19 pm
DWB-111, a/k/a the Propeller Nebula, is a faint emission nebula in Cygnus. I imaged an LRGB of 50 minute components comprising 5- minuted unguided subframes....
10846
Steve Reilly
sreilly22911
Oct 1, 2004 3:54 pm
Thanks Paul! Steve ... From: LeFevre, Paul [mailto:lefevre@...] Sent: Friday, October 01, 2004 10:59 AM To: ap-gto@yahoogroups.com Subject: RE: [ap-gto]...
10845
Diego Meozzi
nightjar_it
Oct 1, 2004 3:04 pm
Hello, Does anybody know exactly which kind of plug is needed for the power (12V) socket on the 900 GTO Mount? AFAIK, there are just two possibilities: *...
10844
LeFevre, Paul
welltraveled...
Oct 1, 2004 2:58 pm
... Hi Steve, I've been using MaxPoint on my AP900GTO for about a year -- and I don't have the box checked (I had to go look!). Works just fine that way. ...
