M35 Rich Open Cluster in Gemini

Uploaded 2/1/10

Select an image size for a larger view: 800 x 600 1290 x 960 1600 x 1200

 Here is the first image taken with the DSLR that was focused live with Images Plus camera control for a very crisp CCD like focus. While the seeing was abominable, tracking worked well and this image speaks for itself. A whole new era of sharp images will ensue!

Object Description:

This large splashy open cluster near the base of Gemini is an easy naked eye object at magnitude 5.1 on a dark night, and appears as an unresolved haze in binoculars. Half a degree wide, which is equal to the width of the full moon, this large object contains over 200 stars, with several brighter blue and reddish gems. To the lower right edge, the smaller and more distant open cluster NGC2158 can be just seen, its stars more yellowish from interstellar extinction.

Lens: 12.5"f/5 Newtonian Platform: Astrophysics AP1200 Camera: Hutech Modified Canon XTi @ ISO800 Exposure: 3 x 5m Filters: None Location: Payson, Arizona Elevation: 5150 ft. Sky: Seeing 3/10, Transparency 7/10 Outside Temperature: 35F Processing Tools: Photoshop CS2, Images Plus HOME GALAXIES EMISSION NEBS REFLECTION NEBS COMETS GLOBULARS OPEN CLUST PLANETARIES LINKS