M45, an open cluster in Taurus also known as The Pleiades.
This image was created from a stack of 32 sixty second unfiltered exposures
and stacks of 16 sixty second expsosures shot through red, green and blue filters.
The images were acquired using an SXV-H9 CCD camera on a 4" f/5.4 TeleVue NP-101 refractor equipped with a 0.8x focal reducer.
The image was calibrated, defect corrected and stacked, and automatically color balanced using AIP4WIN.
It has been resampled down from its original size of 1379 x 1024.