Close-up of the Solar Photosphere: 12/10/24 

 


The Sun in Ha


Object Data

Object type: Solar
Magnitude: -26.7
Constellation:  
Distance: 8.3 light-minutes 
   
Notes: The western surface of the sun. This image captures close-up details of the solar photosphere in Ha including sunspot AR 3912 and neighboring filaments.  another sunspot (AR 3897) is sliding away from view across the western limb.

Exposure Data

Date: 12/10/24
Location: Backyard Solar Observatory, Carlsbad, CA
Lense: Lunt 100THa solar scope; double stack with 18mm blocking filter.  A 5.0x TeleVue Powermate brings total focal length to 3750mm.
Camera: ZWO ASI174mm camera (Sony IMX 174)
Mount: Losmandy G-11
Exposure time: Frame rate of 34 f/sec (34.9 ms exposure).
Exposure time total:  
Notes: Registered and combined 15% of the best 3000 frames; combined and inverted

 

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