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The Minor Planet Observer
and
Palmer Divide Observatory

7757 1990 KO (2011)

MPC Designation: 1990 KO
Lightcurves Period (h): None ±
Amplitude (mag): ±
Equipment:

 

Filter: R
MagBand: R
Telescope: 0.35m f/9.1 SCT
Camera: SBIG STL-1001E
Exposure: 240

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2011-08-13 07:00  15.47   26.6  309.2   35.4
2011-08-18 07:00  15.52   27.1  310.3   35.3
2011-08-24 07:00  15.59   27.7  311.8   35.1

Data Points: 74
Discovered: 1990-05-22  Palomar  E. F. Helin
Family/Group: Phocaea
Taxonomic Class: S?
Published: MPB pending
NOTES: Unless otherwise stated, the "Reduced Magnitudes" in the plots are Cousins R, based on 2MASS to BVRI conversions (Warner, MPB 34, 113-119)

Follow-up to 2004 work. Buried in the Milky Way in 2011 so the data were just too scattered for a reliable lightcurve.

 

Contents © 2011 Brian D. Warner / Palmer Divide Observatory

 

 

 

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