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The Minor Planet Observer
and
Palmer Divide Observatory

3309 Brorfelde (2009)

MPC Designation: 1982 BH
Lightcurves Period (h): 2.5046 0.0003
Amplitude (mag): 0.10 0.1
Equipment:

 

Filter: C
MagBand: R
Telescope: 0.35m f/9.1 SCT
Camera: SBIG STL-1001E
Exposure: 240

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2009-01-28 05:00  15.89   21.4  141.5   30.1
2009-01-29 07:00  15.88   21.3  141.6   30.1
2009-01-30 07:00  15.87   21.1  141.7   30.1
2009-01-31 07:00  15.85   20.9  141.8   30.1
2009-02-01 06:00  15.84   20.8  141.8   30.1
2009-02-02 07:00  15.83   20.7  141.9   30.0
2009-02-03 07:00  15.82   20.6  142.0   30.0

Data Points: 455
Discovered: 1982-01-28  Brorfelde  K. S. Jensen
Family/Group: Hungaria
Taxonomic Class: S
Published: MPB 36, 108
NOTES: Unless otherwise stated, the "Reduced Magnitudes" in the plots are Cousins R, based on 2MASS to BVRI conversions (Warner, MPB 34, 113-119)

PDO binary discovery (see CBET 279). This was worked exclusively at PDO for the 2009 apparition.

 

Contents 2011 Brian D. Warner / Palmer Divide Observatory

 

 

 

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