Long-term (1984-2008) JHKLM photometry for 254 objects is presented. The observations were carried out in the standard JHKLM photometric system using an original method and a modern IR photometer designed and built at the Sternberg Astronomical Institute. Our program of studies included searches for and studies of relatively hot circumstellar dust envelopes.
Cone search capability for table J/AZh/88/34/table1 (List of objects)
Cone search capability for table J/AZh/88/34/table6 (List of standards and their JHKLM magnitudes)