Questions tagged [soho]

Questions relating to the Solar and Heliospheric Observatory

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4 votes
1 answer

Strange swirls on the latest image from SOHO

Earlier today, I was looking at the latest image from SOHO and noticed some odd swirly lines at the bottom left of the image. They no longer appear on the site, but I saved the image before they were ...
LostXOR's user avatar
  • 73
17 votes
2 answers

Why would a Deep Space Network antenna send up a carrier signal without any data?

Why would a Deep Space Network antenna send up a carrier signal to SOHO without any data? Source: . Is that some calibration process?
Some Student's user avatar
2 votes
1 answer

How (the heck) does SOHO's SWAN camera image the entire 4π sr celestial sphere?

Comet C/2020 F8 (SWAN) discussed in Astronomy SE: How is Comet SWAN C/2020 F8 doing? Will it become easily visible by eye? Why is SWAN dimming? was discovered by humans but using the SWAN camera on ...
uhoh's user avatar
  • 149k
3 votes
1 answer

How should I understand these phrases in this paper on orbit transfers?

I am studying this article on orbital mechanics and can't understand the meaning of some terms related to mathematics (perhaps because my native language doesn't have such terms). I created the same ...
Maksim Philippov's user avatar
1 vote
0 answers

What do terms of NASA's event list of SOHO mission mean?

In the SOHO mission Event List SOHO Event List there are a few terms I am hoping to understand. I assume MCC1 X-1 Burn refers to a mid-course correction. What does the number 1 and X-1 mean? For ...
Bob516's user avatar
  • 6,907
19 votes
2 answers

Is this what station keeping maneuvers look like, or just glitches in data? (SOHO via Horizons)

I've been enjoying the JPL Horizons web interface and after I discovered the incredibly extensive database associated with SOHO (Solar and Heliospheric Observatory, also see ...
uhoh's user avatar
  • 149k
6 votes
1 answer

Need help getting the true ICRF coordinates of SOHO using Horizons

In this answer I calculated the approximate angular separation between Mercury and the Sun as seen by the SOHO satellite using Skyfield's method of ...
uhoh's user avatar
  • 149k