captures.md

@@ -29,7 +29,7 @@ In the analysis process, captures are rotated counterclockwise by 90°, to match
 The FITS header enclosed in each capture file lists the relevant metadata of the acquisition, such as time, coordinates, exposure time and others.
 An example of such header for the example capture by the ITPI01 - Pino Torinese camera is given below. 
 Among all these keywords, the ones that are mandatory for the PRISMA pipeline are:
-- `DATE-OBS`: the acquisition date and time (UTC);
+- `DATE-OBS`: the acquisition date and time (UTC) in the FITS format;
 - `EXPOSURE`: the exposure time of the capture (s);
 - `TELESCOP`: the name of the station.