Southern Pleiades (IC 2602) area south of Carina Nebula. Open cluster Mel 101 below IC 2602 and IC 2714 cluster at upper left. Taken from San Pedro de Atacama, Chile, May 2011 with Canon 7D (unmodified) and 135mm Canon telephoto lens at f/2.8 for stack of 5 x 2 minute exposures at ISO 1250.
The large and sparse open cluster in Ophiuchus called IC 4665, an object easy in binoculars. The star at centre is Celbalrai or Beta Ophiuchi. The 7.5 x 5° field is close to a binocular field of view. This is a stack of 9 x 4-minute exposures with the SharpStar 61mm apo refractor at f/4.5 and with the Canon R6 at ISO 800. Taken from home October 1, 2021 on a slightly hazy night with the field into the southwest.
The sparse star cluster IC 4665 in Ophiuchus above the yellow star Cebalrai or Beta Ophiuchi. This is a big cluster best suited to observing with binoculars. This is a stack of 4 x 5-minute exposures with the Canon Ra at ISO 800 on the SharpStar 61EDPH II refractor, on the Star Adventurer GTI mount, autoguided with the ZWO ASIAir. Taken from home September 25, 2022.
