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Messages 777 - 806 of 6307   Oldest  |  < Older  |  Newer >  |  Newest
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777
Some individuals have asked for an image showing the proposed location(s) of the observatory. So... Attached is a map showing one of the proposed locations...
Rich Richins
badsocref
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Aug 2, 2007
10:46 pm
778
Before I post these online I thought I would offer them to the Club Members. I have decided to get a one shot color camera for the convince. I have the ST-7...
bob@...
melkor43
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Aug 3, 2007
1:21 am
779
Very interesting, Which camera are you upgrading to? Dave...
Dave Dockery
dave_dockery
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Aug 3, 2007
2:58 am
780
I wouldn't call it an upgrade, more a shift to the left. Either the ST2000XCM (smaller chip, but the convince of oneshot), or perhaps one of the Starlight...
bob@...
melkor43
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Aug 3, 2007
3:10 am
781
Hello All! The weather seems to be clearing just a bit (compared to recent weeks). If the trend holds, I'm going to go out to Leasburg tonight to look around...
Rich Richins
badsocref
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Aug 4, 2007
11:11 pm
782
Here's a weird one... Last night, we finally had clear skies in Southern NM, so I went out to evaluate the sky at a proposed club observatory site near Las ...
Rich Richins
badsocref
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Aug 5, 2007
1:34 pm
783
RIch, How about adjusting these so the sky background level is the same? Tony ... From: Rich Richins To: ASLC_Imagers@yahoogroups.com Sent: Sunday, August 05,...
Tony Gondola
acgna
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Aug 5, 2007
3:11 pm
784
Rich That is very interesting but I think most of us know that Upham is much better than your back yard. What I would like to see is the comparison of the...
Jerry Gaber
jerrygaber
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Aug 5, 2007
3:42 pm
785
Tony, I added sky background color to make them the same, but the polluted sample still had more trails. I'm sure that if I did curves adjustment, the dark...
Rich Richins
badsocref
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Aug 5, 2007
9:31 pm
786
I'll send that comparison. I shot three locations in the sky - just above the worst of the light dome, the Western sky, and straight up. I haven't yet...
Rich Richins
badsocref
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Aug 5, 2007
9:34 pm
787
Here's some numbers from last night's expedition. I took images using my 28-135mm lens set for 50 mm (no guiding). Three 60-second exposures were taken at...
Rich Richins
badsocref
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Aug 5, 2007
10:37 pm
788
Rich, What was the general level of activity like, people with flashlights, car headlamps, campfires ect....?? Tony ... From: Rich Richins To:...
Tony Gondola
acgna
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Aug 5, 2007
10:50 pm
789
... <snip> Yeah, that is interesting, isn't it? It also does not make much sense unless there was some sort of haze over Leasburg, or the camera somehow likes...
Chuck Sterling
csterlin88001
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Aug 6, 2007
2:42 am
790
There was a concert, and the amphitheater was lit with theatrical lighting. I took the pics from the overflow campsite. I walked around the amphitheater site...
Rich Richins
badsocref
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Aug 6, 2007
5:03 am
791
So here's my weird hypothesis (totally unproven)... Light from sky fog helped the sensor to see dimmer stars. Sort of like 0.5 (star) + 0.5 (skyfog) = 1 (as...
Rich Richins
badsocref
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Aug 6, 2007
5:09 am
792
Not bad at all. Some film astrophotographers will partially expose a frame, basically bringing the background up to grey. This will cause more dim objects to...
Chuck Sterling
csterlin88001
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Aug 6, 2007
6:17 am
793
So I wonder if a similar approach could be employed for DSLRs??? Could a properly applied, uniform, barely detectable light source improve the detector's...
Rich Richins
badsocref
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Aug 6, 2007
1:34 pm
794
I don't think that's possable Rich, 0.5 star plus 0.5 background should equal a S/N of 0....... Tony ... From: Rich Richins To: ASLC_Imagers@yahoogroups.com ...
Tony Gondola
acgna
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Aug 6, 2007
2:17 pm
795
Rich Has asked me to head up the observatory design and building subcommittee. I cannot and should not do it by myself. I need some volunteers that are willing...
Jerry Gaber
jerrygaber
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Aug 6, 2007
6:05 pm
796
I'm happy to help in any way I can. Steve Smith ... Rich Has asked me to head up the observatory design and building subcommittee. I cannot and should not do...
stevensmith@...
steve220us
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Aug 6, 2007
7:07 pm
797
Thanks Steve You have some experience in this area don't you? I thought I heard a rumor that you built your own back yard observatory. Is there any truth to...
Jerry Gaber
jerrygaber
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Aug 6, 2007
7:34 pm
798
Your right Tony. Adding more light from a source other than the target adds noise not signal. The resulting S/N ratio goes down not up. If it where the other...
bob@...
melkor43
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Aug 6, 2007
8:18 pm
799
Steve has a roll-off observatory. You can find an article on his observatory in the HDO archives. Probably done during 2005. rr...
Rich Richins
badsocref
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Aug 6, 2007
8:26 pm
800
All shots were taken in RAW. rr...
Rich Richins
badsocref
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Aug 6, 2007
8:42 pm
801
Maybe... You would get it out of the bias area. Seems like it would have to be separate steps, though. Simple for film, just do a double exposure. Can you do...
Chuck Sterling
csterlin88001
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Aug 6, 2007
9:38 pm
802
Hi Jerry, I have some 2D CAD experience and a D sized plotter. Count me in if you think that would be of any help. Tony ... From: Jerry Gaber To:...
Tony Gondola
acgna
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Aug 6, 2007
9:56 pm
803
I will be glad to lend a hand. Kirbini _____ From: ASLC_Imagers@yahoogroups.com [mailto:ASLC_Imagers@yahoogroups.com] On Behalf Of Jerry Gaber Sent: Monday,...
Kirby Benson
kirbieto
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Aug 6, 2007
10:11 pm
804
Hey, we could practice on Kirby's POD. ... I will be glad to lend a hand. Kirbini From: ASLC_Imagers@yahoogroups.com [mailto:ASLC_Imagers@yahoogroups.com] On...
stevensmith@...
steve220us
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Aug 6, 2007
11:00 pm
805
I built a no-frills roll off roof observatory some time ago. That doesn't really make me an expert, but I know what NOT to do! ... Thanks Steve You have some...
stevensmith@...
steve220us
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Aug 6, 2007
11:00 pm
806
Thanks Tony I will count you in Your Input and the CAD and plotter will come in handy. I will be in touch Jerry Gaber _____ From: ASLC_Imagers@yahoogroups.com...
Jerry Gaber
jerrygaber
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Aug 6, 2007
11:06 pm
Messages 777 - 806 of 6307   Oldest  |  < Older  |  Newer >  |  Newest
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