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Mike G

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observational-astronomy

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128 posts edited

62 helpful flags

766 votes cast

18 Bookmarks

Votes Activity Newest Views Added

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502

views

What are Kepler's laws (as he wrote them)?

Nov 15 at 20:12 Connor Garcia 1,240

votes

answer

201

views

Saturn's tropical year?

planet orbit orbital-elements

Jun 14 '18 at 22:02 PaulS 211

votes

answer

885

views

Effect of the obliquity of the ecliptic / tilt of the Earth on the equation of time

the-sun earth obliquity time

Mar 23 '18 at 19:34 Mike G 13.1k

votes

answers

views

Gravitational Slingshot

orbit newtonian-gravity

Jan 15 at 22:14 DarkRunner 141

votes

answer

110

views

Peculiar Amplitude of Earth's Orbit in Z Axis

orbit solar-system n-body-simulations

Jan 31 at 22:58 Mike G 13.1k

votes

answer

214

views

Spacing (2422 days) between solar eclipses - unrelated saros numbers

solar-eclipse

Apr 7 '18 at 1:42 Mike G 13.1k

votes

answer

views

How to calculate local position, knowing the RA and Dec of the center of an image, RPY of the camera, and precise time?

Aug 4 at 22:33 stretch 176

votes

answers

160

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Code for getting the pixel coordinates of an object with known RA DEC not working

coordinate

Sep 4 '18 at 11:40 observer 21

votes

answers

views

2D Distorted Star Map for Pasting on Sphere Surface

star-maps

Oct 7 '18 at 14:50 Glorfindel 3,214

votes

answers

views

Keplerian Elements for the Moon and Earth around their Barycenter

the-moon earth natural-satellites kepler earths-orbit

Jun 12 at 21:01 Jee 235

votes

answers

views

Does the Sun and Moon basically appear to “move on the sky” identically regardless of location and date?

the-sun the-moon earth night-sky

Oct 17 at 13:42 David Hammen 19k

vote

answer

988

views

How to construct a sky map

star amateur-observing positional-astronomy python

Jul 8 '18 at 19:14 lly 113

vote

answer

views

Relation between phase and magnitude

moon-phases apparent-magnitude magnitude

Jun 21 '19 at 20:21 earnric 119

vote

answer

130

views

How to calculate the orientation of planets at current epoch

planet solar-system rotation

Jun 18 '19 at 7:36 Mike G 13.1k

vote

answer

909

views

How to calculate declination of Moon?

the-moon fundamental-astronomy declination

Mar 11 '19 at 12:17 User123 526

vote

answers

427

views

Why oddly shaped constellation areas?

constellations

Jun 1 '18 at 18:43 Mike G 13.1k

votes

answers

views

How does the Astronomical Twilight depend on the night length or the day length?

observational-astronomy night-sky twilight

May 10 at 16:14 geek11 1

votes

answers

views

How can one determine the declination range of stars visible for a certain amount of time above a specific airmass at a certain location?

observational-astronomy amateur-observing coordinate

Jan 1 at 2:09 uhoh 22.8k

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18 Bookmarks

What are Kepler's laws (as he wrote them)?

Saturn's tropical year?

Effect of the obliquity of the ecliptic / tilt of the Earth on the equation of time

Gravitational Slingshot

Peculiar Amplitude of Earth's Orbit in Z Axis

Spacing (2422 days) between solar eclipses - unrelated saros numbers

How to calculate local position, knowing the RA and Dec of the center of an image, RPY of the camera, and precise time?

Code for getting the pixel coordinates of an object with known RA DEC not working

2D Distorted Star Map for Pasting on Sphere Surface

Keplerian Elements for the Moon and Earth around their Barycenter

Does the Sun and Moon basically appear to “move on the sky” identically regardless of location and date?

How to construct a sky map

Relation between phase and magnitude

How to calculate the orientation of planets at current epoch

How to calculate declination of Moon?

Why oddly shaped constellation areas?

How does the Astronomical Twilight depend on the night length or the day length?

How can one determine the declination range of stars visible for a certain amount of time above a specific airmass at a certain location?