01/09/2021 Civil Olson @ longslit (remote) Outside Temp(F) -- 15 (Start) Outside Humidity(%RH) -- 85 (Start) Wind Speed(MPH) -- 5 mph (Start) Wind Direction -- 108 (Start) 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= 2.7 pix (0.38 arcsec per pixel) or 1.6 arcsec focus (temp 16C) Centered for field, collimation numbers at Dec 22:30 HA 00:26 0:00:25.9 -1:07:28.0 Fill LN2 #2 (17:05) Flat at fixed -6.25 48, dome 15 Index Object EXP secz UT T-Out Notes ------------------------------------------------------------------------------ a001-10 Flat 3 01:05 Wrong shape. Ice in telescope? a011 Flat 3 01:15 Still wrong a012 Flat 3 01:18 a013 Flat 3 01:26 a014 Flat 3 01:35 a015 Flat 3 01:48 a016 Flat 3 02:00 Looks better a017-26 Bias 0 02:04 a027-36 CuAr 2 02:06 a037-46 Flat 3 02:11 Waiting for humidity to drop... Snowing Frost on mirror a047 Flat 3 Opening at 23:30 local a048-50 G191B2B 60 1.08 06:42 12 a051-53 S5 2116+81 900 1.78 06:59 12 SNR=7 a054-56 IRAS05480+5927 200 1.13 07:56 13 SNR=47 Dome laboring around 80 degrees a057-59 Feige34 60 1.09 08:16 12 a060-62 Mrk79 300 1.03 08:23 12 SNR=38 a063-65 PG 1004+130 600 1.18 08:44 12 SNR=51 a066-68 PG1114+45 500 1.05 09:24 12 SNR=36 a069-71 GQCOM 900 1.12 09:53 12 SNR=14 a072-74 PG1534+580 250 1.43 10:43 12 SNR=32 a075-77 Mrk876 400 1.47 10:58 11 SNR=36 a078-80 NGC 4151 100 1.01 11:24 12 SNR=20 a081-83 NGC3227 300 1.13 11:33 12 SNR=30 a084-86 NGC 3516 300 1.18 11:53 12 SNR=65 a087-89 Mrk841 300 1.43 12:15 12 SNR=34 a090-92 PG1309 600 1.01 12:34 12 SNR=39 a093-95 PG0953+414 300 1.28 13:10 12 SNR=20