Astronomy Calculations

Astronomy Calculations

Here I collect my calculations related to astronomy. It will be both Excel sheets and web based calculations.

Content:

My own Astronomy Excel sheets:

Excel sheet download.

Web calculators below is new to me, to create pages that do calculation.

I think you must have a HTML5 compatible web browser to use it.

Calculate the minimum diameter of filter without causing vignetting. Even the off-axis distance to optical axis:

Web calculator.

Drake's equation, how big is the chance to find another intelligent civilization in Milky Way ?

Web calculator.

What gear ratios do you need in your motor drive of the mount?

Web calculator.

How many bits of resolution do you need, 8, 16, 24, 32, 64-bits?

Web calculator.

Find your Sky background, your light pollution:

Web calculator.

Magnitude relations, apparent and absolute magnitude distance, B-V and V-R color index linear relations:

Web calculator.

Find depth of focus:

Web calculator.

Find the needed gearbox ratio for the focuser:

Web calculator.

Field of view, exit pupil, magnification:

Web calculator.

Pixel Scale:

Web calculator.

Angle Conversion between degrees and Radians and angle/hour to angle/sec:

Web calculator.

Max exposure time without elongated stars

Web calculator.

Advertisement / Annons: