12/25/2020 Civil McLane @ longslit (remote) Outside Temp(F) -- 30 (twilight) Outside Humidity(%RH) -- 46 (twilight) Wind Speed(MPH) -- 30 mph (twilight) Wind Direction -- 239 (twilight) Slit width 5 arcsec, set on September 17, 2020 empirically 900l/mm grating, sub-array center column 1050, width 360 Longslit focus set to 310 on instrument. Seeing= 9.1 pix (0.38 arcsec per pixel) or 3.5 arcsec focus (temp=24F) 7.3 pix or 2.7 arc sec (temp=27F) Centered for field, collimation numbers at Dec 29 HA -00:27 0:01:08.4 -1:02:44.0 Fill LN2 #2 (17:15) Flat at fixed -6.25 48, dome 15 Index Object EXP secz UT T-Out Notes ------------------------------------------------------------------------------ a001-10 Flat 3 00:46 30 OK, east lamp out a011-20 CuAr(Zenith) 2 00:49 30 @-100C a021-30 bias 0 00:53 30 @-105C a031-33 MR2251-178 400 2.11 1:03 29 snr=15-,clds Airmass getting high, moving on to easier targets... a034-39 NGC7469 200 1.29 1:28 29 snr=20+ a040-43 PG2304+042 500 1.43 1:53 29 snr=15+,20+ a044-47 IIIZw2 900 1.25 2:33 29 SNR=7 Strong lines, large EW, will continue despite low continuum SNR a048-51 Mrk1148 400 1.24 3:40 28 snr=15 a052-54 Mrk975 400 1.35 4:18 28 snr=20 a055-57 NGC985 400 1.67 4:41 27 SNR=25 a058-61 SDSS0155 900 2.0 5:22 28 snr=7-8 Last spectrum very bad a062-64 2MASSJ0414 400 1.61 6:11 28 snr=25 a065-68 Mrk618 300 1.70 6:35 28 snr=20-25 a069-71 G191B2B 60 1.04 7:01 27 std seeing is a bit variable. Average is 7.1pix or 2.7" a072-74 IRAS05480+5927 200 1.06 7:09 26 snr=35+ a075-77 IRAS05589+2828 300 1.04 7:23 26 snr=35 a078-80 Mrk79 300 1.02 7:46 25 snr=25 a081-83 Feige34 60 1.20 8:06 24 std, seeing=2.5" a084-86 Mrk704 400 1.23 8:12 25 snr=30, clds86 Clouds for 3 hours a087-89 NGC3227 300 1.09 11:49 24 snr=40+ a090-92 PG0953+414 300 1.05 12:13 23 snr=20+ a093-96 PG1114+445 300 1.01 12:32 24 snr=20+ a097-99 NGC4151 100 1.00 12:54 23 snr=50+ a100-102 Mrk876 300 1.31 13:05 23 snr=39 a103-105 NGC3516 250 1.18 13:23 23 snr=24- Last one in twilight...