Mike G's user avatar
Mike G's user avatar
Mike G's user avatar
Mike G
  • Member for 10 years, 4 months
  • Last seen this week
3 votes

Pinhole Projector: Can I use a specific solar optical eye piece to focus the Transit of Mercury?

3 votes
Accepted

How to understand orbit definitions

3 votes
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Does the retrograde movement affect the true angular distance between 2 planets?

3 votes

Would a telescope that uses Fresnel lenses be more practical than using regular lenses?

3 votes

If I know apparent planetary positions how do I calculate the date?

3 votes
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How to make projection from altitude and azimuth to screen with screen coordinate system?

3 votes

Why haven't I seen the Moon?

3 votes
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What is this planet or satellite in this picture?

3 votes

Figure out the location of celestial objects relative to the Milky Way in x, y, z co-ordinates

3 votes

Is the "mean orbit" centered on ellipse center or ellipse focus?

3 votes
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Help with Converting Right Ascension and Declination into 3D Vectors

3 votes

What is the cycle for when the maximum amount of the Moon's apparent area is sunlit?

3 votes

How Does Earth Move In Relation To The Stars

3 votes
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Why does moon moves to side if I change my position directly into it?

3 votes

How to find how many degrees from the beginning to the end of the sunset?

3 votes

Planetary phase angle of Hohmann transfer

3 votes
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Was it a space station?

3 votes
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Based on March equinox, when is the time that the sun enters Taurus?

3 votes
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How wide is the Moon's umbra and penumbra at EM-L2?

3 votes
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What projection would I use to map the northern night sky onto a geodesic dome?

3 votes
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What's the object in the sky?

3 votes
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How to calculate declination of Moon?

3 votes

Where will the planned Deep Space Atomic Clock orbit "after" Earth?

3 votes
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Obtaining TESS input catalog (TIC) IDs for Gaia `source_ids`?

3 votes
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Binocular highlights from Tasmania next few weeks?

3 votes

Angle formed between a satellite, a ground station, and then another Satellite

3 votes
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Data in measures paper

3 votes

Slow moving star like objects in the night sky

3 votes
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Why does this Lowell Observatory telescope have so many knobs? What do they all do?

3 votes
Accepted

When the difference between the dates of old and new style becomes 14?

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