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5314 les.higgins@...
les.higgins... Offline Send Email
May 14, 2012
4:49 pm
Amar, I get this all the time. Provided you've programmed the basic parameters of your equipment and observing site correctly, it usually comes down to the...
5315 les.higgins@...
les.higgins... Offline Send Email
May 14, 2012
4:49 pm
I can use Astrometrica to get the coordinates of Haumea, and I can use those coordinates to sort out the reference star matches for my image - but, when I do...
5316 amar10sharmaa Offline Send Email May 14, 2012
4:49 pm
Hello Astrometrists, A new kid on the block here, from India. Just managed to touch Astrometrica, having forayed into the CCD world for just 4 months now. At...
5317 Herbert Raab
herbraab Offline Send Email
May 14, 2012
5:01 pm
A small number of reference stars usually indicates that the reference star match is invalid. There are several possible reasons for that, but in most cases,...
5318 RICHARD MILES
rmiles.btee@... Send Email
May 14, 2012
9:10 pm
Les, It's difficult to check this without having a suitable FITS image. If you want to forward me privately a typical image and a copy of your config file I...
5319 Tomas
scibuffcom Offline Send Email
May 15, 2012
10:32 am
Your PA and Pointing allowance is too big, once you know your pointing is good and the PA doesn't vary much, restrict these down. I have pointing down to 2'...
5320 Tomas
scibuffcom Offline Send Email
May 15, 2012
10:47 am
Hi Les, just to check, are you sure you have "Known Objects" checked (Images > Select Markings ...) which version of Astrometrica do you have - the path to...
5321 Nor
norschramm Offline Send Email
May 15, 2012
6:57 pm
I have a quick question, being rather new to this program. I recently plugged in 3 FITS images that contain an asteroid 186-Celuta which I purposely images....
5322 Herbert Raab
herbraab Offline Send Email
May 15, 2012
7:21 pm
Hello Nor, check out the paper I have mentioned here yesterday: http://www.astrometrica.at/Papers/Astrometrica-Settings.pdf There is a chapter "Fine tuning the...
5323 Gary Hug
sandloth36 Offline Send Email
May 15, 2012
7:58 pm
Hi Nor, I used to have a saying ; "five frames find faint facts". If you use more than 3 frames you will notice the number of false detections goes down...
5324 achro@...
jrs7532 Offline Send Email
May 15, 2012
8:13 pm
Hi Luca: Thanks for the reply and your offer to look at my images. I have since precisely determined my PA and made some changes based on a paper Herbert Raab...
5325 wa1vta01452 Offline Send Email May 15, 2012
8:32 pm
Hi, at some point while blinking some FITs files, the software locked on the target asteroid and the background stars moved instead. Not sure how I...
5326 Herbert Raab
herbraab Offline Send Email
May 15, 2012
8:37 pm
Tom, again, I recommend that paper: http://www.astrometrica.at/Papers/Astrometrica-Settings.pdf At the end, there is a chapter "If the Image Alignment fails ...
5327 Herbert Raab
herbraab Offline Send Email
May 15, 2012
8:41 pm
... The brain/eye-combination is much better in reconizing similar patterns than the software is. If you can't find a match, the software won't find it either....
5328 tom
wa1vta01452 Offline Send Email
May 15, 2012
8:50 pm
Thanks herb. Great piece of software. I am using a 6" reflector with skies that are lit by some nearby cities and today I manually identified an asteroid...
5329 les.higgins@...
les.higgins... Offline Send Email
May 16, 2012
10:55 am
Hi Tomas, I've checked everything you suggest and have just done another automatic update of MPCOrb, which Astrometrica reported went smoothly. What really...
5330 les.higgins@...
les.higgins... Offline Send Email
May 16, 2012
3:31 pm
As an addendum and update ... I took two sets of images last night - one of Haumea and one of Makemake. I processed each set in exactly the same way, then...
5331 Luca Buzzi
buzzi_luca Offline Send Email
May 16, 2012
3:50 pm
I've seen now from MPES that Haumea has an H value of 0.0, that can be true, but maybe MPC software recognizes it as a null value, so with a null magnitude. ...
5332 Herbert Raab
herbraab Offline Send Email
May 16, 2012
4:28 pm
... Luca, you are absolutely correct. Astrometrica will not calculate apparent magnitudes for objects that have an absolute magnitude of exactly 0.0. In the...
5333 Nor
norschramm Offline Send Email
May 16, 2012
5:24 pm
HI Gary, I have 12 subs so I can run more thru. Will give that a try. Thanks for the info. Cheers Nor 40°50’25.88"N / 74°54’52.75"W Oxford, NJ USA ...
5334 Nor
norschramm Offline Send Email
May 16, 2012
7:22 pm
HI again Gary, Yup you were right! I loaded 9 frames and the program had no trouble locating 186. It was to only object in motion that was detected. Thanks...
5335 Herbert Raab
herbraab Offline Send Email
May 16, 2012
9:45 pm
Hello Nor, with a detection limit of 4 sigma and some fine-tuning of the settigs, you should be able to remove most, if not all, of the false positives in a...
5336 Nor
norschramm Offline Send Email
May 17, 2012
12:13 am
HI Herbert, Thanks for that INfo I'll giv that a try also. CHeers Nor...
5337 les.higgins@...
les.higgins... Offline Send Email
May 17, 2012
9:48 pm
Hey! I'm not as dumb as I look! Interesting little quirk - what one might call "unintended consequences" of a decision taken for all the right reasons. Thanks...
5338 Nor
norschramm Offline Send Email
May 18, 2012
3:45 pm
Hi , I'd like to thank you for your tips in getting the program to recognize a moving object. Last night I took another look at an asteroid 16 Psyche and ...
5339 Nor
norschramm Offline Send Email
May 23, 2012
7:53 pm
I was wondering if anyone out there can tell me how to calculate what the minimum magnitude of objects that can be expected to be imaged given a specific...
5340 Pieter-Jan Dekelver
pieterjan87 Offline Send Email
May 23, 2012
9:14 pm
Hello, Here are some formules: http://www.wilmslowastro.com/software/formulae.htm#REFLECT ... Best Regards, Mr. Pieter-Jan Dekelver Maasmechelen, Belgium ...
5341 Nor
norschramm Offline Send Email
May 24, 2012
12:08 am
HI Pieter, Thanks so much for the links. Very helpfull!! Cheers Nor...
5342 Juan Lacruz
juan_lacruz Offline Send Email
May 24, 2012
6:47 am
Reading PointSources.pdf<http://www.astrometrica.at/Papers/PointSources.pdf> may be useful to understand the various factors involved, not just the telescope...
5343 Nor
norschramm Offline Send Email
May 24, 2012
11:41 pm
HI Juan, Thanks for that link. Very interesting reading. NOr 40°50’25.88"N / 74°54’52.75"W Oxford, NJ USA <http://njstargazer.org/>...
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