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NGC1491 Nebula
NGC1491
Object
Type Emission Nebula
Constellation Perseus
Distance
More Info
Image
Date 10 Nov 2018 (Fall)
Place Little Blair Valley, Anza-Borrego Desert, CA
Exposure Data SII:Ha:OIII 120:120:120 mins @ -25C
SII 6x20, Ha 6x20, OIII 6x20 (bin 1x1) as RGB
Notes
Equipment
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 3nm SII, Ha, OIII
Software MaxIm DL, CCDStack, Photoshop

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