night_flats - Man Page

non-iteractive flat snapshoting with CCD camera


night_flats [options] exptime1,filter1 [exptime2,filter2] ...


The options are as follows:


output filename mask, default: ''


output prefix name, default: 'f'


number of exposures, default=0


observer's name


object's name, default:  -name flat


auto-dark substract, dark interval, default: 0 no darks


wait for specified num. of seconds, integer, default: 1


binning, default=3


select region by format: (x1,y1,x2,y2), default: full area


select chip, I - imaging (default), T - tracking


view exposed image with xnightview


address:port internet address server, default: local connect


print help


Setting of environment variable NIGHTVIEW_HOST is equivalent to -host option.

List of possible filters:

Reporting Bugs


Not found except listed on

See Also

nightview(1). See the /usr/share/doc/nightview-doc directory for description. Homepage:


This manual page was written by F. Hroch <>, for the Debian GNU/Linux system (but may be used by others).


January 2021