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The Minor Planet Observer
and
Palmer Divide Observatory

893 Leopoldina (2004)

MPC Designation: 1918 DS
Lightcurves Period (h): 10.51 ± 0.01
Amplitude (mag): 0.35 ± 0.02
Equipment:

 

Filter: C
MagBand: R
Telescope: 0.25m f/10.1 SC
Camera: SBIG ST-9E
Exposure: 60

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2004-08-04 06:00  13.86   10.0  290.0   11.0
2004-08-08 06:00  13.93   11.2  290.1   10.7
2004-08-12 06:00  13.99   12.4  290.3   10.3
2004-08-13 06:00  14.01   12.7  290.3   10.3
2004-08-14 06:00  14.03   12.9  290.4   10.2
2004-08-15 06:00  14.04   13.2  290.4   10.1

Data Points: 179
Discovered: 1918-05-31  Heidelberg  M. F. Wolf
Family/Group: MB-Outer
Taxonomic Class: XF
Published: MPB 32, 4-7
NOTES: Unless otherwise stated, the "Reduced Magnitudes" in the plots are Cousins R, based on 2MASS to BVRI conversions (Warner, MPB 34, 113-119)

A period of 14.58 h is also possible, though it requires an asymmetrical trimodal curve.

 

Contents © 2011 Brian D. Warner / Palmer Divide Observatory

 

 

 

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