Date: 20140430 Observer: Kara Ponder OA: Karen Butler Number Observation int time filter airmass seeing notes 1-11 dark 5 4:30 OPAQ - - darks 1-2 flat 5 4:38 H - - lamp not fully on, counts around 9,000 3-13 flat 5 4:43 H - - flat. Lamp on at 425. Counts around 10,000. Anja, they keep being low 14-24 flat 5 4:46 H - - lamp off. 25-35 flat 5 4:50 J - - lamp off 36-46 flat 5 4:54 J - - lamp on at 600, ~10,000 47-57 flat 5 4:57 Ks - - lamp on at 380, ~12,000 58-68 flat 5 5:02 Ks - - lamp off We started an Autolog that will be in the data/data1/whic/30_Apr_14 file 69-71 obj 4 7:40 H - - pointing check 72-xx SN2013be 5 7:50 H 1.3 1.4 80-82 is check star 84-xxx SN2013be 60 8:10 H 1.22 ~1.4 5x5x15" 6 times Karen kept a log as well. I told her not to worry too much. Here is a summary of what she wrote Target Dither # Dither Type File Number obs type int time filter airmass seeing notes SNE2013be 1 5x5x15” 84 to 108 object 60 H 1.25 2 2 “ 109 to 133 object 60 H 1.17 1.65 3 “ 134 to 158 object 60 H 1.11 1.65 to 1.85 4 “ 159 to 183 object 60 H 1.08 - "failed to acquire 183 error, skipping. Read out hang at -1second. No file produced." x single image 184 acquire 10 H - - uloaded script and ran a test image seems ok wrote 184 to file 5 5x5x15” 185 to 209 object 60 H 1.07 1.7 to 2.1 wind shake becoming noticeable Wind gust to 32mph 6 5x5x15” 210 to 234 object 60 H 1.08 1.7 to 2.0 wind shake continues winds gusting to 40pmh. Seeing deteriorating to over 2 “ at times SNE2013be x single image 235-242 acquire 10 J 1.1 - focus check after changing filter from H to J on a bad pixel. Added a offset of 15 west to get away from bad pixel SNE2013be 1 5x5x15” 243 to 267 object 60 J 1.12 1.9 to 2.2 Left the 15”W offset in at the start of the dither sequence. Forgot to take it out from the focus checks 2 5x5x15” 268 to 292 object 60 J 1.18 2.0 to 2.2 3 5x5x15” 293 to 317 object 60 1.27 1.6 to 2.0 Removed the 15 west. Wind still gusting in the 35 to 40 mph range. 4 5x5x15” 318 to 342 object 60 J 1.41 1.8 to 2.0 SNE2013be x single image 343 acquire 10 KS - - focus check after changing filter from J to KS. Not able to determine best focus. 1 5x5x15” 344 to 368 object 60 KS 1.62 - finished script with an airmass of 1.9 PTF13ayw x single image 369 acquire 10 H - - focus check on target. Ambiguous so move to check star. Note target name is incorrect in header SAO “ 370 acquire 10 H 1.04 1.4 SAO focus & pointing check. Note target name is incorrect in header SAO “ 371 acquire 10 H - 1.3 SAO focus & pointing check. Note target name is incorrect in header PTF13ayw 1 5x5x15” 372 to 396 object 60 H 1.04 1.7 wind starting to drop off. Down to 15mph. Wind shake decreased. Target name corrected to PTF13ayw 2 5x5x15” 397 to 421 object 60 H 1.08 1.8 Difficult to measure fwhm as only star in field is saturated. Probably better than 1.8 3 5x5x15” 422 to 446 object 60 H 1.14 1.7 to 1.8 Difficult to measure fwhm as only star in field is saturated. Probably better than 1.8 4 5x5x15” 447 to 471 object 60 H 1.23 1.0 ? wind down to 10mph. 18 degree twilight started. Seeing improving difficult to measure.