This data set presents images of 26P/Grigg-Skjellerup obtained by various observers at several ground-based observatories using CCD instruments. These data have not been through...

NASA Open Data Portal10

EARTH BASED CCD OBSERVATIONS V1.0

This data set presents images of 26P/Grigg-Skjellerup obtained by various observers at several ground-based observatories using CCD instruments. These data have not...

data.gov00

CCD OBSERVATIONS V1.0

Charged Coupled Device (CCD) cameras from ESO were used by groups to observe the outburst of comet Halley using a variety of telescopes and chip sets.

NASA Open Data Portal00