Search found 461 matches

by fabdev
03 Jul 2019, 10:24
Forum: Scripts
Topic: coregister with SCRIPT
Replies: 7
Views: 4283

Re: coregister with SCRIPT

For this research the command "Image.Align" works well.
If you just need to blink, there is also the command "Image.BlinkAlign" that was used for this discover:
viewtopic.php?f=6&t=247
the examples are in the Guide, "Script" chapter.
by fabdev
01 Jul 2019, 15:38
Forum: Scripts
Topic: coregister with SCRIPT
Replies: 7
Views: 4283

Re: coregister with SCRIPT

No, but you can use the script command " Image.Align "
You can configure the Align window so that the Scale is corrected as well, if needed.
What is the goal of your script? Maybe there is another solution.
by fabdev
28 Jun 2019, 20:55
Forum: General
Topic: avi look strange
Replies: 5
Views: 3575

Re: avi look strange

Yes, the problem was 8 bit palette, "Colour Space=MONO8" (actually this is not 8 bit grayscale, it's 256-palette where every entry is a gray tone). It was patched today, it will be released in Service Pack 2. If you need a prerelease please write me by email. Here is the result of Preprocessing (16 ...
by fabdev
22 Jun 2019, 18:46
Forum: General
Topic: Is 60s good enough?
Replies: 5
Views: 6322

Re: Is 60s good enough?

Hello, in my opinion, a system which is able to track well 60 seconds exposures (95% of them) is an excellent one and does not need guiding. Just take 60-seconds sequences and automatically stack them. My opinion is driven by productivity (loss of time for setting up the autoguide vs loss of time/sp...
by fabdev
21 Jun 2019, 23:05
Forum: Instrumentation
Topic: Ambient temperature in FITS header?
Replies: 5
Views: 3530

Re: Ambient temperature in FITS header?

Hello, the FITS keyword to be used is not a problem.
The feature to be added is to read the ambient temperature from the focuser and store it to images downloaded from the camera. This could be an interesting option for the Service Pack 2.
by fabdev
20 Jun 2019, 13:27
Forum: Image processing and analysis
Topic: RGB horizontal stripes
Replies: 6
Views: 3466

Re: RGB horizontal stripes

The luminance has a dark border on top, this means that dithering was working and there is some shift between the images. The green image has not the border. Maybe dithering was disabled? Verify that there is some shift in the green sequence. Verify also that the dark frame are updated (taken in the...
by fabdev
19 Jun 2019, 10:57
Forum: Image processing and analysis
Topic: RGB horizontal stripes
Replies: 6
Views: 3466

Re: RGB horizontal stripes

Also: are using an average of 8 or more dark frames? That is camera noise, there are still some hot pixels.
by fabdev
17 Jun 2019, 15:09
Forum: Image processing and analysis
Topic: AStroart 7 photometry & Astrometry question
Replies: 20
Views: 10896

Re: AStroart 7 photometry & Astrometry question

Hi,
AFAIK the UCAC4 can be downloaded only via FTP (maybe there are some torrents too?)
So, you will need a FTP software: if you choose Filezilla remember to set "binary mode" in the Options, otherwise the download will be corrupted.
by fabdev
14 Jun 2019, 17:00
Forum: General
Topic: avi look strange
Replies: 5
Views: 3575

Re: avi look strange

Hello, it looks like that this subformat is not supported (maybe it's 8 bit palette ?). If possible, you should save as 24 bit RGB from the video program which created that. About this video, if really important, it could be converted with a video software.
by fabdev
12 Jun 2019, 11:11
Forum: Image processing and analysis
Topic: AStroart 7 photometry & Astrometry question
Replies: 20
Views: 10896

Re: AStroart 7 photometry & Astrometry question

Do you see a writing "Not found - GSC..." in the upper-left zone of the atlas?
This means that the C:/... folder was not selected in the Preferences
by fabdev
12 Jun 2019, 00:28
Forum: Image processing and analysis
Topic: AStroart 7 photometry & Astrometry question
Replies: 20
Views: 10896

Re: AStroart 7 photometry & Astrometry question

Hello, the GSC catalog is not internal, it's located in the folder "GSCData" of the CD and it should be copied on the harddisk, in a folder where you usually keep your astronomic data. Then that folder should be set in the Preferences of the star atlas. There are better catalogs by the way, for exam...
by fabdev
10 Jun 2019, 23:06
Forum: Instrumentation
Topic: Autofocusing in the sequencer
Replies: 5
Views: 3432

Re: Autofocusing in the sequencer

Hi, it takes a sequences of images (user defined, for example 5, 7, 9) and calculates the V-curve from them. For example, for 7 images, the focuser is moved backward for 3 "steps" and then moved forward for 7 "steps", so that 3 images are taken backward, 1 at the original position and 3 forward, all...