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The Minor Planet Observer
and
Palmer Divide Observatory

1657 Roemera (2008)

MPC Designation: 1961 EA
Lightcurves Period (h): 34.0 0.1
Amplitude (mag): 0.15 0.02
Equipment:

 

Filter: C
MagBand: R
Telescope: 0.35m f/9.1 SCT
Camera: SBIG STL-1001E
Exposure: 180

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2008-05-09 08:00  15.57   18.6  223.4   29.7
2008-05-10 04:00  15.58   18.6  223.4   29.6
2008-05-11 07:00  15.59   18.6  223.5   29.5
2008-05-12 07:00  15.60   18.6  223.6   29.3
2008-05-25 07:00  15.77   19.6  224.8   27.3
2008-05-29 06:00  15.84   20.2  225.3   26.6
2008-05-30 06:00  15.85   20.3  225.4   26.4
2008-06-03 06:00  15.93   20.9  225.9   25.6
2008-06-04 06:00  15.95   21.1  226.1   25.4
2008-06-06 06:00  15.99   21.4  226.4   25.1
2008-06-07 06:00  16.01   21.6  226.5   24.9

Data Points: 529
Discovered: 1961-03-06  Zimmerwald  P. Wild
Family/Group: Phocaea
Taxonomic Class: S
Published: MPB 36, 7-13
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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