Search found 477 matches

by fabdev
12 Jul 2024, 14:41
Forum: Image processing and analysis
Topic: Low resources error
Replies: 2
Views: 211

Re: Low resources error

Hi, this usually means that there is not sufficient disk space for some temporary files, for Sigma stacking. The folder for temporary files can be set in the third page of Preprocessing. Usually it's the default TEMP folder (Users/AppData/Local/Temp), so verify that there's at least 30 Gb free in C:...
by fabdev
09 Jul 2024, 13:14
Forum: General
Topic: Image folder in AA& Demo
Replies: 1
Views: 196

Re: Image folder in AA& Demo

Hi, those files are included only in the full version of AA8. By the way, for the tutorial #5 you may use any 2-3 images of the same subject.
Fabio.
by fabdev
05 Jul 2024, 21:39
Forum: Image processing and analysis
Topic: Mag in Stars window?
Replies: 1
Views: 723

Re: Mag in Stars window?

Hello, after switching the magnitudes in the Star Atlas, it's required to repeat the link from the Star Atlas to the Image (from the Star Atlas, button: "Reference stars - automatic" or "Reference stars - manual"). If some stars with magnitude are already in the list, it's required to reset their "P...
by fabdev
01 Jul 2024, 16:12
Forum: Scripts
Topic: SaveView TIFF (16 bit)
Replies: 1
Views: 855

Re: SaveView TIFF (16 bit)

hello, use the command:

Code: Select all

 
 Image.Save("filename.tiff")
   
if the image has not a perfect 16 bit dynamic, use this to convert:

Code: Select all

 
 Image.HistogramStretch(65535)
 Image.Save("filename.tiff")
   
by fabdev
01 Jul 2024, 16:09
Forum: General
Topic: downloading catalogue
Replies: 1
Views: 618

Re: downloading catalogue

Hi, the link to download a compressed version of the gaia2 should be in the email with the other download links.
Fabio.
by fabdev
19 Jun 2024, 02:08
Forum: Image processing and analysis
Topic: Sub region for histogram
Replies: 3
Views: 780

Re: Sub region for histogram

Hi, once a Profile is placed on the image, it can be moved and updated in real time: from the Profile Window, click the "Graph" icon (Change profile), then in the next dialog window click the "Center Y" box and use the mouse wheel to slide up/down the profile (assuming that the spectrum is horizonta...
by fabdev
15 Jun 2024, 15:40
Forum: Instrumentation
Topic: Spectroscopy use
Replies: 3
Views: 1016

Re: Guiding with slit

Hello, the PDF is attached here: AA_slit_guide.pdf and https://www.astroart-forum.net/forum/viewtopic.php?f=2&t=72 more or less is still valid, (nowadays it's also possible to move the star by 0.5 and 0.1 pixels) by the way: If you don't have the possibility of making a longer exposure (or a illumin...
by fabdev
14 Jun 2024, 03:05
Forum: Instrumentation
Topic: Camera plugin
Replies: 2
Views: 675

Re: Camera plugin

Hi, try comparing the 32 and 64 bit versions of Astroart, and see if there are differences in the ASCOM Chooser. If none of them shows the ASI Camera in the Chooser, install the ASI ASCOM driver, version 6.5.25 here: https://www.zwoastro.com/software/ The default download is only for 64 bit apps, so...
by fabdev
12 Jun 2024, 16:47
Forum: General
Topic: Profiles
Replies: 3
Views: 743

Re: Profiles

Hello, another solution to use two different setups for camera and telescope, using one PC, is to create another installation folder and add a "Config" folder there. For example: 1) Create a folder for the new installation (not in Program Files by the way). 2) Copy all files from the older installat...
by fabdev
24 May 2024, 17:20
Forum: Scripts
Topic: Using Formulas with more than one image
Replies: 1
Views: 703

Re: Using Formulas with more than one image

Hi, using a Formula it's not possible, but it could be possible with other commands. For example, the task you wrote can be done with: 1) For DSLR and OSC, with an in-memory Preprocessing, selecting "Red channel" as method in "RGB Demosaic". 2) For generic color images, with a script which extracts ...
by fabdev
24 May 2024, 17:13
Forum: Image processing and analysis
Topic: Negative/Inverted image
Replies: 2
Views: 1041

Re: Negative/Inverted image

Hi, to save an image with negative palette, use "Save View" (e.g. JPG, PNG, TIFF ..) To invert the pixels, it's required some pixel math, for example using the Formula: " 65535 - v " for 16 bit images or " 255 - v " for 8 bit. That formula can be transformed into a Macro, to execute it with one clic...
by fabdev
18 May 2024, 21:12
Forum: Scripts
Topic: Arduino
Replies: 10
Views: 3043

Re: Arduino

Hi, when making a custom communication protocol based on serial ports, it's easier to test the device with a terminal software (PuTTY, RealTerm, etc.) maybe something similar is already included in the Arduino software. To debug I would start with something like: Lhires = Serial.readString(); if (Lh...