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UGC 5520 in Ursa Major Mag. 14.1 Size : 2.0' X 1.2' Distance : 200 mill. l.y. ? SN2000L is approx. mag.17.5 ( USNO-A2.0 Red & Blue mag. star indicated ) Exposure time : 4 X 5 minutes 0.61m f/4 MX516 CCD Date : 12. Mar 2000 Time : 00.52 UT. |
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SN2000L is approx. mag.18.5 ( USNO-A2.0 ) Exposure time : 3 X 10 minutes 0.61m f/7 MX516 CCD Date : 10. Apr 2000 Time : 22.13 UT. |
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SN2000L is @ mag.18.0 ( USNO-A2.0 ) Exposure time : 5 X 6 minutes 0.61m f/4.1 MX516 CCD Date : 7. May 2000 Time : 22.10 UT. |
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SN2000L is still approx. mag.18 Exposure time : 10 X 2 minutes 0.61m f/4.1 MX516 CCD Date : 21. May 2000 Time : 22 UT. ( Blue night-sky in Norway now ). |