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IC 454 in Gemini Mag. 14 Size : 1.7' X 0.9' Distance : 200 mill. l.y. ? SN2000H is @ mag.16.0 ( USNO-A2.0 ) Exposure time : 2 X 10 minutes 2 foot f/3.8 MX516 CCD Date : 11 Feb 2000 Time : 21.16 UT. |
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IC 454 in Gemini SN2000H is approx. mag.16.5 using USNO-A2.0 red comparison stars from picture above. ( Approx. 17.5 using yellow stars ) Exposure time : 4 X 6 minutes 24 inch f/4 MX5_16 CCD Date : 19 Feb 2000 Time : 20.19 UT. |
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SN2000H is @ mag.17.3 ( USNO-A2.0 ) Exposure time : 4 X 4 minutes 0.61m f/3.7 MX5_16 CCD Date : 7 Mar 2000 Time : 18.46 UT. |