OTO - Ohshima Tamashima Observatory- - V773_Tau Diff

!U-band photometry of V773 Tau

Telescope:Meade 20cm f/10
CCD Camera:SBIG ST-8XME -30deg 3x3bin
Filetr: U
Exposure time: 120sec

*Dec 22-24, 2011
Observed Data is [[here|http://otobs.org/photometry/V773_Tau/V773_Tau20111222-23-24@OTO.txt]]

[[/photometry/V773_Tau/V773_Tau20111222-24@OTO.gif]]
<br>
3-points average

Data is [[here|/http://otobs.org/photometry/V773_Tau/V773_Tau20111222-24_3av@OTO.txt]][[here|http://otobs.org/photometry/V773_Tau/V773_Tau20111222-24_3av@OTO.txt]]

[[/photometry/V773_Tau/V773_Tau20111222-24_3av@OTO.gif]]

*Dec 22, 2011
** no graph

*Dec 23, 2011
[[/photometry/V773_Tau/V773_Tau20111223@OTO.gif]]
*Dec 24, 2011
[[/photometry/V773_Tau/V773_Tau20111224@OTO.gif]]

!Optical H alpha monitoring of V773 Tau

[[/photometry/V773_Tau/FOV_V773_Tau.jpg]]

*Feb 22, 2011

  Meade LX-200R 20cm f/6.3 ST-8XE 60sec
  H alpha Filter used: FWHM=4.5nm

[[/photometry/V773_Tau/V773_Tau_20110222@OTO.gif]]

*Feb 21, 2011

  Meade LX-200R 20cm f/6.3 ST-8XE 60sec
  H alpha Filter used: FWHM=4.5nm

[[/photometry/V773_Tau/V773_Tau_20110221@OTO.gif]]

*Feb 19, 2011

I observed the FOV of V773 Tau from 18h47m to 21h05m JST.
But it was very very hazy!
No image of V773 Tau is detectable in any flames.  

*Feb 18, 2011

  Meade LX-200R 20cm f/6.3 ST-8XE 60sec
  H alpha Filter used: FWHM=4.5nm

[[/photometry/V773_Tau/V773_Tau_20110218@OTO_2.gif]]

*It was rainny on Feb 17, 2011.


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