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M3 Cluster
Type Globular Cluster
Constellation Canes Venatici
Distance 33,900 ly
More Info
Date 29 Apr 2022 (Spring)
Place Descanso, CA
Exposure Data LRGB 30:15:15:15 mins @ -25C
Lum 6x5, R 3x5, G 3x5, B 3x5 (bin 1x1)
Notes First light for Lockwood Observatory 2
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