From: kaike pan Subject: Re: 2.5m obslog 20100911 (MJD 55451) Date: Mon, 13 Sep 2010 09:26:18 -0600 Hi All, I know that Craig is working hard on these issues. Thanks, Craig! I just would like to second Elena's points here. -kaike On Sep 12, 2010, at 3:28 PM, Elena Malanushenko wrote: > David, > > Dmitry said very good point. > I am comfortable that I selected guider flat in SOP GUI. > Craig confirmed that "noGuider" option on gotoField in similar > situation. > (As I know, Craig could not confirm that guider flat was not > selected in SOP GUI). > I saw zero guider flat exposure time defaults in SOP GUI also, but > not > sure if that happened when I went to field. It might be happened, > and > possible forced "noGuider" option on gotoField. > It is easy to check during the observations. > > Several times I saw that boss flat and arc had reversed > exposure times. It might be related problem with zero > guider flat exposure time as some problem with default > settings. We might need to ask Russell to check this. > > Anyway, guider should not use flats from other > carts and MJDs if no appropriate flat has been found > (as in my example as the bottom). > And we need to have a very clear indicator that no > appropriate flat is available. > > Everybody might overestimate human ability to review the process > of gotoField, lamp operations, collimation, sosActor calculations > for each camera, right piston moves, calibration in spec, and > guider on. > All this is going very fast and reporting in the scrolling log. > Output is gone after we find a field, set scale, and start science. > For the most of stages I assume that it is going right if no > critical alert > produced. We need to have auto check of this process and clear > and stable > report for quick view of observers. > > (I might try to make this report window as I can. It is good to have > boss exposure flavor in boss actorkeys in status key for this, > Craig might help me). > > Elena Malanushenko > elenam@apo.nmsu.edu > > On 9/12/10, at 2:11 , dmbiz@apo.nmsu.edu wrote: > >> Sometimes "guider flat exposure time" in the sop gui turns to zero. >> It might produce "noGuider" even if the guider checkbox mas >> checked (?). >> >> Dmitry >> >> >>> Craig has confirmed that when this has happened, that "Guider" >>> was not selected in the SOP gotoField panel. The logs confirm >>> that the gotoField commands in question had the "noGuider" argument. >>> >>> Surely, we want the default for gotoField to take the flat, and >>> display >>> a big, annoying warning if it is not in that mode. >>> >>> -David >>> >>> >>> >>> >>> On Sep 12, 2010, at 11:36 AM, Elena Malanushenko wrote: >>> >>>> Dear all, >>>> >>>> We can see what flat was used for guider image reduction on raw >>>> images >>>> fits header (but no cart and plate IDs there): >>>> gimg-0029.fits: >>>> >>>> DATE-OBS= '2010-09-04 04:21:48.7Z' / start of integration >>>> CCDTEMP = -40.087788 / degrees C >>>> FILENAME= '/data/gcam/55443/gimg-0029.fits' >>>> OBJECT = 'gimg-0029' >>>> DARKFILE= '/data/gcam/55443/gimg-0007.fits' >>>> FLATCART= 17 >>>> FLATFILE= '/data/gcam/55442/gimg-0023.fits' >>>> --------------------- >>>> >>>> Reduced images are transferring to our workstations landru and >>>> minidru >>>> to directory /Documents/data/gcam/ if your guider GUI is >>>> running. >>>> It keeps last 100 files only and deletes them when you quit the >>>> STUI. >>>> Files proc-gimg-????.fits. We can see cartID and plate ID in >>>> their fits >>>> headers >>>> also. >>>> >>>> DATE-OBS= '2010-09-04 04:21:55.3Z' / start of integration >>>> FILENAME= '/data/gcam/55443/gimg-0030.fits' >>>> DARKFILE= '/data/gcam/55443/gimg-0007.fits' >>>> FLATCART= 17 >>>> FLATFILE= '/data/gcam/55442/gimg-0023.fits' >>>> ..... >>>> NAME = '4083-55442-01' / The name of the currently >>>> loaded plate >>>> PLATEID = 4083 / The currently loaded plate >>>> CARTID = 11 / The currently loaded cartridge >>>> MAPID = 1 / The mapping version of the >>>> loaded plate >>>> POINTING= 'A ' / The currently specified pointing >>>> -------------- >>>> >>>> So, in my example on 55443 when flat was not taken, the >>>> reduction of >>>> guider >>>> images for cart 11 silently used flat from 55442 from cart 17. >>>> Indicator of the problem is large (2-5") stochastic offsets >>>> which could >>>> not be corrected. If we force to take a flat it will fix a >>>> problem. >>>> I had the same situation during my observations. >>>> >>>> Elena Malanushenko >>>> elenam@apo.nmsu.edu >>>> >>>> >>>> On 9/12/10, at 5:42 , Audrey Simmons wrote: >>>>> >>>>> We noticed that when we started the guider (without taking a >>>>> guider >>>>> flat) in >>>>> the afternoon that the image showed the mask. Would this mean >>>>> that the >>>>> reason >>>>> we did not notice last night that the guider flat failed was >>>>> because it >>>>> automatically used the last good flat from the previous plate? >>>>> >>>> >>>> >>>> DSS DSS DSS DSS DSS Digital Sky Survey DSS DSS DSS DSS DSS DSS >>>> DSS *** The information posted to SDSS mailing lists is >>>> proprietary *** >>>> DSS This is message 5380 in the sdss-25mlog archive, URL >>>> DSS http://www.astro.princeton.edu:81/sdss-25mlog/msg. >>>> 5380.html >>>> DSS The index is at >>>> http://www.astro.princeton.edu:81/sdss-25mlog/INDEX.html >>>> DSS To join/leave the list, go to >>>> DSS >>>> http://www.astro.princeton.edu:81/cgi-bin/mailinglists.pl/ >>>> show_subscription?list=sdss-25mlog >>>> DSS To post a message, mail it to sdss-25mlog@astro.princeton.edu >>>> DSS >>>> DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS >>> >>> >>> >>> DSS DSS DSS DSS DSS Digital Sky Survey DSS DSS DSS DSS DSS DSS >>> DSS *** The information posted to SDSS mailing lists is >>> proprietary *** >>> DSS This is message 5381 in the sdss-25mlog archive, URL >>> DSS http://www.astro.princeton.edu:81/sdss-25mlog/msg. >>> 5381.html >>> DSS The index is at >>> http://www.astro.princeton.edu:81/sdss-25mlog/INDEX.html >>> DSS To join/leave the list, go to >>> DSS >>> http://www.astro.princeton.edu:81/cgi-bin/mailinglists.pl/ >>> show_subscription?list=sdss-25mlog >>> DSS To post a message, mail it to sdss-25mlog@astro.princeton.edu >>> DSS >>> DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS >>> >> >> > > > DSS DSS DSS DSS DSS Digital Sky Survey DSS DSS DSS DSS DSS DSS > DSS *** The information posted to SDSS mailing lists is proprietary > *** > DSS This is message 5383 in the sdss-25mlog archive, URL > DSS http://www.astro.princeton.edu:81/sdss-25mlog/msg. > 5383.html > DSS The index is at http://www.astro.princeton.edu:81/sdss-25mlog/ > INDEX.html > DSS To join/leave the list, go to > DSS http://www.astro.princeton.edu:81/cgi-bin/ > mailinglists.pl/show_subscription?list=sdss-25mlog > DSS To post a message, mail it to sdss-25mlog@astro.princeton.edu > DSS > DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS