Eris (2024)

Dwarf Planet Eris

Magnitude: 18.6 (est.)

Distance: ~94.6 AU 
Physical size: 2,377 km. (1,477 mi.)

Date acquired: October 7, 2024

Ambient Temp: 54F

Camera: Starlight Xpress SX-694 (2x2 binning) 

Guider: Starlight Xpress Lodestar off-axis.
Scope: Astrotech AT10RC @F/8 (2000 mm)

Mount: Losmandy Titan w/Gemini-2

Filters: Astronomik L type 2c.
Exposures: L= 22 x 180 seconds (66 minutes total)
Acquired, calibrated, stacked (Sum) in Astroart 9

Processing Notes:

Calibrated with Flats, Bias & Defect Map

Linear Gradient removal to correct for light pollution.

Eris was close to opposition during this session.

I last imaged Eris in 2012.