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Messages 28740 - 28769 of 36598   Oldest  |  < Older  |  Newer >  |  Newest
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28740
I've been watching Mars.. again.. At 396x in a pair of 6mm monocentric eyepieces, I can easily lock on to Deimos and hold it in averted vision, with Mars...
Mike C
tmb_mike
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Nov 1, 2005
10:35 am
28741
... OK, so Phobos wins for tonight. Seeing has degraded a bit, and after a couple hours sitting out at 10 degrees F, aluminum parts are starting to hurt the...
Mike C
tmb_mike
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Nov 1, 2005
11:29 am
28742
Good evening everyone, Looking for some feedback and comments on this image of Mars taken through Rick Auerbach's 10" f/9 TMB. Seeing was less than ideal, but...
Scott Tucker
starfire155
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Nov 1, 2005
1:49 pm
28743
On a related note, if anyone can tell me whether they have seen the aberration or artifact that appears in this image, and knows how to eliminate it, that'd be...
Scott Tucker
starfire155
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Nov 1, 2005
1:49 pm
28744
... It looks terrific to me, I wouldn't change anything. Congrats to you and Rick for this great image. ___ Tim...
Tube Tim
limunary
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Nov 1, 2005
2:35 pm
28745
... At first I couldn't see what the problem was. I was viewing the monitor from about 0.75 meters away and it looked fine. Put on my reading glasses and I...
Tube Tim
limunary
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Nov 1, 2005
2:37 pm
28746
Hi, It's an effect that you get when light levels are low and it can be avoided to a certain extent by working with a gain of 75% or more. However even then...
Geert Vandenbulcke
geert_vdbulcke
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Nov 1, 2005
5:48 pm
28747
... I have read, that working with my EOS DSLR (for daytime, nighttime, whatever), that I should examine the histogram and try to place the complete range of...
Mike C
tmb_mike
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Nov 1, 2005
7:06 pm
28748
... I'm not Harvey but I've done it. Have it shoot a crosshair down the tube with the lens removed, onto a centering pattern. ...
Mike C
tmb_mike
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Nov 1, 2005
7:29 pm
28749
... Scott, these are caused by the compression of the web camera and are not an optical defect. Try less exposure and at least 15ips frame rate. Don...
glasspusher2001
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Nov 1, 2005
8:03 pm
28750
I noticed these are now available. Do these have any connection with the TMB ones? The specs look good as does the price. Don...
glasspusher2001
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Nov 1, 2005
8:13 pm
28751
... Another nice observing report Mike. With all the glare from Mars it's amazing you're able to see Deimios. I gave it up for a lost cause but will try next...
Tube Tim
limunary
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Nov 1, 2005
8:21 pm
28752
... Deimos was so easy to see last night that I was sure I was going to get Phobos. (Phobos is what, 2 times brighter than Deimos?) I still believe I would...
Mike C
tmb_mike
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Nov 1, 2005
8:42 pm
28753
Thanks for the suggestions, everyone. Don, I've been shooting at 10fps with a regular (unmodified ToUcam) and also tried 5fps in raw mode with another camera....
Scott Tucker
starfire155
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Nov 1, 2005
10:59 pm
28754
Tim, Thanks for the compliments. We'll hope for better seeing when we try again tonight. That should make bringing out the detail easier and require less PS...
Scott Tucker
starfire155
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Nov 1, 2005
10:59 pm
28755
Here's my "artist" impression of last nights view of Mars. I was observing for maybe two hours in the TMB175/8 using the Baader bino and dual 6mm TMB ...
Mike C
tmb_mike
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Nov 1, 2005
11:04 pm
28756
It's a cinch to make an occulting eyepiece for viewing Deimos, and certain double stars as well. I used layers of black electrical tape (it requires multiple...
S. Kent Blackwell
kentblackwell
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Nov 1, 2005
11:04 pm
28757
After looking at Burgess site. I am guessing the only differences is the TMB is collimatable and comes with a 2inch to 1&1/4inch adapter. I expect the mirror...
Terry Tuggle
terry_tuggle
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Nov 2, 2005
1:24 am
28758
... differences is the ... expect ... That is ... I looked at the Burgess site, and see an 1.25" adapter as included: "The Dielectric Diagonal includes a...
kmclark40222
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Nov 2, 2005
2:01 am
28759
Hi All, I'm trying to fit my new (to me)175 to a Losmandy universal dovetail plate. My mount is an NJP. I have a Casady saddle plate which fits the Losmandy...
linkshapiro2001
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Nov 2, 2005
3:51 am
28760
HUH??? I liked the picture alright and I can see that the centering is there. What's this: shoot a crosshair down the tube with the lens removed, onto a ...
dennis
temper999
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Nov 2, 2005
3:51 am
28761
... Hello I shouldn't have answered you... I had my email sort-order messed up and I was sitting here answering last weeks messages, sorry about that. I saw...
Mike C
tmb_mike
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Nov 2, 2005
3:58 am
28762
... A big congrats on the 175, an excellent scope. ... You could get it drilled. What is the spacing of the holes? A while back I had some adapters blocks...
Tube Tim
limunary
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Nov 2, 2005
4:00 am
28763
It wasn't a walk in the park, but I made my promise. All the TMB apochromats, Super Monos, TMB Barlows, and the new TMB/BO 4mm Planetary eyepieces were all...
tmboptical
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Nov 2, 2005
9:11 am
28764
I looked at the Burgess site, and see an 1.25" adapter as included: "The Dielectric Diagonal includes a zero-height 1-1/4" adapter." I would thing being...
Donald Rosenfield
domarturo
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Nov 2, 2005
1:41 pm
28765
Hi, Mike: That's a great sketch! What did you use? Pastels? Could you post a higher-resolution image of the drawing so that we could have a better look at your...
Eric Baumgartner
ew_baumgartner
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Nov 2, 2005
1:45 pm
28766
Thomas, I'll admit ignorance here, but why are the eyepieces called "planetary eyepieces"? I'm sure they're good for looking at things other than planets. Is...
jbessette@...
jimbessette1
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Nov 2, 2005
3:39 pm
28767
... Thanks Eric, my eyepiece sketches are awful, I draw the most contrasty regions then re-draw them and paint the coloration when I'm warm, using Photoshop....
Mike C
tmb_mike
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Nov 2, 2005
6:35 pm
28768
Hello everyone, Another image with Rick Auerbach's 10" scope. The seeing gods smiled upon the city of Tucson last night. This was just processed quickly last...
Scott Tucker
starfire155
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Nov 2, 2005
7:53 pm
28769
... Hey Scott, Wow, that's an outstanding image; huge image scale. 1600 frames! My congrats to you and Rick on this one. ___ Tim...
Tube Tim
limunary
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Nov 2, 2005
8:20 pm
Messages 28740 - 28769 of 36598   Oldest  |  < Older  |  Newer >  |  Newest
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