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The Minor Planet Observer
and
Palmer Divide Observatory

2735 Ellen (2009)

MPC Designation: 1977 RB
Lightcurves Period (h): 159. ± 2.
Amplitude (mag): 0.50 ± 0.05
Equipment:

 

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

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2009-02-18 06:00  16.25   10.7  164.8    3.3
2009-02-19 07:00  16.21   10.0  164.8    3.0
2009-02-20 07:00  16.18    9.3  164.8    2.8
2009-02-22 06:00  16.11    8.0  164.8    2.4
2009-02-22 07:00  16.11    8.0  164.8    2.4
2009-02-24 07:00  16.03    6.5  164.8    2.0
2009-02-25 06:00  15.99    5.9  164.8    1.7
2009-02-26 06:00  15.95    5.1  164.8    1.5
2009-02-27 06:00  15.91    4.4  164.8    1.3
2009-02-28 07:00  15.87    3.6  164.8    1.1
2009-03-01 07:00  15.82    2.9  164.8    0.8
2009-03-04 06:00  15.65    0.8  164.7    0.2
2009-03-05 06:00  15.54    0.0  164.7    0.0
2009-03-06 06:00  15.65    0.7  164.7   -0.3
2009-03-08 07:00  15.78    2.2  164.6   -0.7

Data Points: 592
Discovered: 1977-09-13  Palomar  S. J. Bus, T. Lauer
Family/Group: Hungaria
Taxonomic Class: SDU:
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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