Kahale Observatory (KOBS)
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Local (Pacific)
Sat Sep 7 18:02:56 2024
Sidereal (LST)
15:57:08.54
Universal (UTC)
Sun Sep 8 01:02:56 2024
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Sun Sep 8 06:47:08 2024
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Sat Sep 7 19:40:59 2024
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Messier Objects
Compute Sky Background from Star mag
Calc Std Background Flux and Sky Background
Bortle Scale
Spreadsheets for Astronomical Calculations
Sky Brightness Chart
Calculate Magnitude Limits
Calculate Telescope Capabilities (limiting mag, etc)
Camera Suitability (Binning)
Separating Stars and Deep Sky Objects
FOV Calculator
Top Spring Targets
Ultimate Spring Sky Guide
Ultimate Summer Sky Guide
Ultimate Fall Sky Guide
Ultimate Winter Sky Guide
Top 100 DSOs
Time And Date