May 28, 2014

00:00 Dome opened.

-- %USERSIG{EiichiEgami - 2014-05-26}%


UT 05/29/2014

Observer: Zheng Cai, Yuguang Chen

Comments: Thick Cloudy with extinction larger than 7 magnitude throughout the night.

Ocassionally, clouds thinner, mainly at around 10:15am and 1:20am, and we tried Smith's backup targets, but almost getting nothing.

Time (MST):

8:55- 10:20am: lost due to clouds.

10:20- 10:40am: clouds thinner, try Smith's backup targets. We took 1-min r-band image, the S/N is enough to measure photometry. Thick clouds back before taking g-band image, and then lost guide star.

10:40am- 1:20am: lost due to thick clouds.

1:20am- 2:00am: clouds thinner, try Smith's backup program. After acquisition, thick clouds back. Get nothing for the first 10min spectra, lost guide star with 10 magnitude.

2:00am - end: lost due to thick clouds.

Edited by Zheng Cai

Topic revision: r2 - 29 May 2014, OlgaKuhn
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