Observations log

Observations

Date:

July 21

Observer:

Mats Lindgren

Weather:

Windy and a lot of dust in the air, leading to very high extinction and bad seeing.

Begin (UT):

19:21

End (UT):

23:22

Filters used:

Stockholm CCD V-filter (NOT) + Kodak Wratten Gelatin Filter No. 12

Total number of images:

480

Exposure:

500-1200 ms

Interval:

30 s (1 image save per interval).

Telescope status:

OK

Results

The seeing was very variable during the night. Regularly very sharp images were produced. The traces of the U impact could not be seen.