First Prom - A step into solar

[Dragon_Sky]

Hi all,

Last week I took delivery of a Lunt 40, and was lucky enough to get an hour window to try it out. Used a 224MC which isn’t ideal, but now have a mono camera to use instead.

Managed to capture a decent looking prom, would be interesting to know how big it was :)

[Rusted]

Congratulations on your new Lunt and an excellent first step.
Now keep doing it! You want to capture some surface details next. This needs shorter exposures to avoid over exposing the surface.

To discover more details about any solar feature you should record the time in UT [UT or Universal Time] and date.
Then you can compare your image or observation with other images posted online.
Some imagers kindly post an image of the earth at the correct scale.
You can then use the size of the earth as your guide.

I found this very useful post on another forum when I searched for your question:
I am not sure whether such direct linking is acceptable here.

https://www.cloudynights.com/topic/855163-how-to-determine-the-height-of-a-prominence/#entry12356376