Night report 2022-05-03

Observer: Michel Dennefeld

Support: Mariusz Gromadzki, Nada Ihanec

TAT: Xinyue Sheng, Thomas Killestein, David O'Neill

Telescope Operators: Javier Alaarcon (day), Angelica Leon (night)

Calbrations: Bias, Arcs, Spectral Flats in late afternoon

Sky Flats: g,r,i evening sky

Night start: UT 23:29 (end of Twilight) Sky clear, Moon setting End of night: 11:13

Morning Sky Flats (B,V,R,i) eventually

23:05 Image analysis Seeing: 0"9

23:42 LT3864 std Gr#13 +#11 + #16 (slits 1"0 +1"5)

23:55 SN 2022zi Follow-up Gr#11 + Gr#16 1200s each Seeing 0"7

00:59 SN2022ihz Fup Gr#11 + Gr#16 1500s each

02:07 AT2022iek Class Gr#13 900s Seeing 0"9

02:30 AT2022irt Class Gr#13 1200s 0"9

03:00 AT2022iaz Class Gr#13 1200s 0"7

03:25 AT2022ivt Class? Not seen anything new in this spiral...

03:38 AT 2022ivr Class Gr#13 1000s 0"7

04:02 SN2022btu Fup Gr#16 (+FF) 2700s 1"0

05:04 AT2022jdv Class Gr#13 1500s 1"0

05:52 AT2022fli Class Gr#13 900s 1"1

06:15 SN2022ilv Fup Gr#11 (1200s) + Gr#16 (1200s) 1"0 Pb with the FF #16 (mirror not in), redone OK

07:27 SN2021ahpl Fup Gr#11 2x1800s

AT2022fzy not found...

08:46 AT2018fyk Fup Gr#11 2700s 1"2

09:38 AT2022iwt Class Gr#13 600s

09:52 LTT7379 std (grisms and slits 1.0 + 1"5)

Morning Sky Flats (B, V, R, i)