M35 & NGC2158

Open Clusters M35 and NGC2158

Object Info

Type

Open Cluster

Constellation

Gemini

Distance

2,800 ly & 11,200 ly

Date

January 17, 2015

Location

Little Blair Valley, Anza-Borrego Desert, CA

Exposure

R 4x5, G 4x5, B 4x5 (bin 1x1)

Notes

Interesting contrast between the younger Blue stars of M35 and the older (also 9K light years further) Red stars of NGC2158.

Optics

DSI RC10C Corrected RC Astrograph

Focal Length

1867mm @f/7.3

Mount

Astro-Physics 900GTO

Camera

FLI ML-6303E

Focuser

Built-in Secondary Focuser

Filters

FLI CFW2-7, Astrodon Gen 2 LRGB

Software

MaxIm DL, CCDStack, Photoshop