Astroart Forum

Hi Patrick, The main data directory is u4b and is required. For reference, below is a snippet from the ucac4doc.txt file; access = example access code (Fortran and C), and sample output html = snapshot of web pages of UCAC project, history, pictures papers = some published papers relevant to UCAC, p...

Hi Morten,

I found You need to select and drag (highlight) the text within the report window first then either right click select copy or perform a CTRL+A for it to work.

Bill

If you still want to use the smaller truncated data file CometsEls.txt (971 entries) it's available here; https://www.minorplanetcenter.net/iau/M ... metEls.txt

The AllCometsEls.txt data file currently has 4,576 entries.

Bill

Hi Astrobob0 Define a macro using the DDP values you want (double click DDP to bring up the dialog) and save the Macro. Then use the command Apply Macro, selecting the files you want to apply the DDP filter to and choosing the macro you previously defined. Make sure you select Save Images check box ...

Hi Jack, I find that the new catalog (GaiaComp) that is supplied with AA8 works well for plate solving and I personally have not used UCAC4 since this new catalog was released. Extract the contents of the .ZIP file to its own directory and use the star atlas options to point to this location. Here i...

Hi Jack,
On the options page in preprocessing there is a Reject Bad Images section.
Maybe try the option of selecting and setting the Sky Background value high enough to reject the cloudy images?

Just a thought...

Bill

Hi cjacobson, You can use an ftp client to access and download the UCAC4 catalog here: ftp://cdsarc.u-strasbg.fr/cats/I/322A/UCAC4/ Take note that there is no one single data file to download but many in separate directories. Total data to download will be about 8.4GB I don't have the info. for the ...