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
7 votes
Accepted

Visualizing difference in astropy's cylindrical representation

4 votes
Accepted

On what four dates dates do we observe the minimal, maximal, and two days of zero Solar axial tilt relative to us?

4 votes

Resolving variance between Skyfield-generated sun vectors and test data when both use same ephemeris

1 vote
Accepted

Implementing polar coordinates correctly in solar system model?

2 votes
Accepted

How to flatten 3d astronomical coordinates into 2d polar form in Python

2 votes
Accepted

Which citizen science occultation experiences were done in the late 80's in the US? With what results?

2 votes

Calculating Ephemeris from JPL Osculating Element

3 votes

Chiron ephimeris calculations

6 votes
Accepted

Accuracy of calculating the vernal equinox?

5 votes
Accepted

Get Moon libration data from JPL Horizons

2 votes
Accepted

derivation of reduced magnitude of asteroids

1 vote
Accepted

North Node cross longitude?

1 vote

Determining the position of the North Node using math?

2 votes

Sun or moon, finding the date and time of crossing a specific longitude

8 votes

Stellarium and the Taurids

2 votes

What eyepiece or other optics might improve image quality or observing experience for my Shilba Eclipse 60900 telescope?

5 votes

How do you calculate the position of the True Node

1 vote

Saturn looks like a star

2 votes

Keplers laws and this question

4 votes
Accepted

Celestial Navigation - How to calculate Longitude?

1 vote

Why is asteroid 2001VB still on the risk list?

9 votes
Accepted

It's 12 June 2023, almost 11 PM... location: Chitral, KPK, Pakistan. What constellations, celestial objects can you identify in this picture. Help

6 votes

What are these dark artifacts in this New Horizons image?

11 votes
Accepted

Where are Modern Constellation lines defined?

1 vote

Tilting cycle vs orbital cycle of earth

11 votes
Accepted

Daylight Time Expansion

8 votes

analemma for a specified lat/long at a specific time of day?

5 votes
Accepted

How will the 2023 occultation of Betelgeuse be seen from Iran?

2 votes

How to calculate Local Sidereal Time from RA of a star and Longitude of Observer

8 votes
Accepted

J2000 and J2000.0 difference?

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