Object
Description:Open Clusters M35 and NGC2158
Type:Open Cluster
Constellation:Gemini
Distance:2,800 ly & 11,200 ly
Image
Date:January 14, 2026
Location:Descanso, CA
Exposure:Lum 20x3, R 10x3, G 10x3, B 10x3 (bin 1x1)
Notes:Interesting contrast between the younger Blue stars of M35 and the older (also 9K light years further) Red stars of NGC2158.
Equipment
Optics:DSI RC10C Corrected RC Astrograph
Focal Length:1867mm @f/7.3
Mount:Astro-Physics 1200GTO
Camera:Player One Zeus 455M PRO
Focuser:Built-in Secondary Focuser
Filters:Antlia LRGB-V Pro series
Software:NINA, PixInsight, Photoshop
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