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The Minor Planet Observer
and
Palmer Divide Observatory

691 Lehigh (2009)

MPC Designation: 1909 JG
Lightcurves Period (h): 12.891 0.003
Amplitude (mag): 0.14 0.01
Equipment:

 

Filter: R
MagBand: R
Telescope: 0.35m f/9.1 SCT
Camera: FLI 1001E
Exposure: 180

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2009-01-09 05:00  13.95   17.5   61.6   -4.8
2009-01-10 05:00  13.97   17.7   61.8   -4.7
2009-01-11 05:00  13.99   17.9   61.9   -4.6
2009-01-13 05:00  14.03   18.3   62.1   -4.5
2009-01-14 05:00  14.04   18.4   62.3   -4.4
2009-01-15 03:00  14.06   18.6   62.4   -4.4
2009-01-16 03:00  14.08   18.8   62.5   -4.3
2009-01-16 05:00  14.08   18.8   62.5   -4.3

Data Points: 303
Discovered: 1909-12-11  Taunton  J. H. Metcalf
Family/Group: MB-Outer
Taxonomic Class: CD
Published: MPB 36, 109-116
NOTES: Unless otherwise stated, the "Reduced Magnitudes" in the plots are Cousins R, based on 2MASS to BVRI conversions (Warner, MPB 34, 113-119)

 

Contents 2011 Brian D. Warner / Palmer Divide Observatory

 

 

 

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