The Astro-Photography Mailing List ... On a manual guider, the best in my opinion would be the Meade adjustable 9mm reticle eyepiece. You might need to adjust...
Ric L Ecker
rlecker@...
Jun 2, 1997 6:34 am
3452
The Astro-Photography Mailing List ... I don't know this - but I assume the chip is a linear array, i.e. 2592x1. and that the other dimension is achiived by...
Dave Snyder
snyder@...
Jun 2, 1997 2:38 pm
3453
Dan Baldwin
baldwin@...
Jun 2, 1997 6:06 pm
3454
The Astro-Photography Mailing List ... Oh, ok, I never thought of that. So that's why it moves the negative up and down! ... So I take it you believe that when...
Steve Bell
sb635@...
Jun 2, 1997 10:36 pm
3455
The Astro-Photography Mailing List ... The APML ARCHIVES have been updated for May 1997 and are available at: http://www.system.missouri.edu/apml/ Enjoy! And...
Andy Steere
andy@...
Jun 3, 1997 2:18 am
3456
The Astro-Photography Mailing List ... Yes, I believe - but have not tested - that you could measure distances between features by counting pixels and...
Dave Snyder
snyder@...
Jun 3, 1997 2:39 pm
3457
The Astro-Photography Mailing List ... I have a 10" SCT was planning on going with the ST-4. Have you ever tried Spectra's Flip-mate? They advertise no...
Jason J. Chan
jchan@...
Jun 3, 1997 4:25 pm
3458
The Astro-Photography Mailing List ... I have a custom made OAG for the AstroPhysics 2.7" focuser that I use with my Ritchey and AP 130EDT. Before discussions...
Chuck Vaughn
aa6g@...
Jun 3, 1997 5:52 pm
3459
The Astro-Photography Mailing List ... Douglas, Thanks for the feedback. I can assure you I have taken all precautions in hypering the films. I know of one...
Geert Vandenbulcke
gevdbu@...
Jun 3, 1997 6:28 pm
3460
The Astro-Photography Mailing List ... I have used Spectra's off-axis unit with my ST-5 for autoguiding (I have a picture of the setup on my page). I've found...
Steve Bell
sb635@...
Jun 3, 1997 7:32 pm
3461
The Astro-Photography Mailing List ... A flip mirror consists of a box that goes between the guide scope and the CCD guider. It has a mirror that will flip...
Robin Casady
rcasady@...
Jun 3, 1997 7:32 pm
3462
The Astro-Photography Mailing List ... Thanks Robin and Steve for the pointers to the pictures. I guess I have seen these devices but for some reason didn't...
Chuck Vaughn
aa6g@...
Jun 3, 1997 8:31 pm
3463
The Astro-Photography Mailing List ... Geert, Thanks for the response.Please us know what you find out. Hope they get back to you soon. Doug Schmutz ... ...
Douglas Schmutz
schmutz@...
Jun 3, 1997 9:32 pm
3464
The Astro-Photography Mailing List ... Anyone know how to remove mild vignetting of an image in Photoshop? I've heard that it can be done, but can't find a...
Philip Perkins
philip.perkins@...
Jun 3, 1997 9:38 pm
3465
The Astro-Photography Mailing List ... I haven't done this and I don't remember anyone here saying they have so I'll venture a few suggestions as to how I...
Chuck Vaughn
aa6g@...
Jun 3, 1997 10:35 pm
3466
The Astro-Photography Mailing List ... Jason, I have the Spectra flip mirror on my 800mm, f10 guide scope. It works fine. The form, fit, and finish of the unit...
maxx
a0011306@...
Jun 4, 1997 1:28 am
3467
The Astro-Photography Mailing List ... Chuck, I use a guidescope. When aquiring a new guidestar, Before using the flipmirror, I had to remove the ST-4, insert...
maxx
a0011306@...
Jun 4, 1997 1:43 am
3468
The Astro-Photography Mailing List ... I just uploaded several new astro-photos to my webpage. These are the pudding as in "the proof is in...". My pudding...
cvedeler@...
Jun 4, 1997 3:36 am
3469
The Astro-Photography Mailing List ... I'm in the process of buying a document scanner for my office and the thought occurred to me that I might be able to...
Phil Blais
plb@...
Jun 4, 1997 5:35 am
3470
The Astro-Photography Mailing List ... take the photo that has the vignetting, and make a copy of it, then increase the contrast WAY up. You may have to play...
Jerry Lodriguss
jml@...
Jun 4, 1997 6:46 am
3471
The Astro-Photography Mailing List ... Don't forget to use the same exposure to duplicate the reciprocity-failure effects in the vignetting. I tried to do this...
Jerry Lodriguss
jml@...
Jun 4, 1997 6:46 am
3472
The Astro-Photography Mailing List ... _______________________________________________________________________________ From: astro-photo@... on Tue,...
Finnoff, Pete PRB
Finnoff#m#_Pete_PRB@...
Jun 4, 1997 10:07 am
3473
The Astro-Photography Mailing List ... Many scanners have a transparency scanner attachment available for a few hundred $$'s. However, you will be limited by...
Dave Snyder
snyder@...
Jun 4, 1997 1:55 pm
3474
The Astro-Photography Mailing List ... Only the lens would have to be set at infinity, not the subject. The most important aspect would be what you suggest....
mark.kaye@...
Jun 4, 1997 2:26 pm
3475
The Astro-Photography Mailing List ... Right, reciprocity failure increases contrast. ... Even a blank blue sky probably wouldn't work. What you need is a...
Michael A. Covington
mc@...
Jun 4, 1997 2:42 pm
3476
The Astro-Photography Mailing List ... Philip, I checked the Polaroid site and the latest scanning software is version 2.7. ...
Chuck Vaughn
aa6g@...
Jun 4, 1997 2:53 pm
3477
The Astro-Photography Mailing List ... Another complicating factor! I think to do this scientifically will be difficult. For us amateurs close may have to be...
Chuck Vaughn
aa6g@...
Jun 4, 1997 3:12 pm
3478
The Astro-Photography Mailing List ... First of all, let me congratulate you on your effort. It's not easy taking good astrophotos. I know, because I'm still...
Steve Bell
sb635@...
Jun 4, 1997 3:29 pm
3479
Dan Baldwin
baldwin@...
Jun 4, 1997 4:34 pm
3480
The Astro-Photography Mailing List ... Did you make prints from your sandwiched negatives? If so, did you print them right from the optical flats or did you...
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