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The Minor Planet Observer
and
Palmer Divide Observatory

198 Ampella (2009)

MPC Designation:
Lightcurves Period (h): 20.778 0.003
Amplitude (mag): 0.13 0.01
Equipment:

 

Filter: R
MagBand: R
Telescope: 0.35m f/9.1 SCT
Camera: SBIG STL-1001E
Exposure: 120

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2009-04-08 05:00  13.21   13.3  162.8  -11.0
2009-04-10 02:00  13.25   13.7  162.9  -10.9
2009-04-11 06:00  13.27   14.0  162.9  -10.9
2009-04-14 05:00  13.33   14.7  163.0  -10.8
2009-04-15 05:00  13.35   14.9  163.1  -10.8
2009-04-20 05:00  13.43   16.0  163.3  -10.7
2009-04-21 04:00  13.45   16.2  163.4  -10.7
2009-04-22 06:00  13.47   16.4  163.5  -10.7
2009-04-23 06:00  13.49   16.5  163.6  -10.6
2009-04-24 04:00  13.50   16.7  163.6  -10.6
2009-04-29 04:00  13.58   17.5  164.0  -10.5
2009-04-30 04:00  13.60   17.6  164.1  -10.5

Data Points: 635
Discovered: 1879-06-13  Marseilles  A. Borrelly
Family/Group: MB-Inner
Taxonomic Class: S
Published: MPB 36, 164-165
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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