Comet C/2025 R2 Swan
in the Evening sky
10/17/25

 

            
 Now fading
            fast, this 6th magnitude comet is only a phantom of what it once
            was when it was brilliant in the southern hemisphere sky. The
            short dust tail is seen here pointing to the left, and the greenish
            head of the comet is in the very center of this image. It is
            bracketed by the Eagle Nebula just above it, and below the Swan
            nebula. The entire frame is in a rich Milky Way field.

            
This was with the
            Samyang 135mm f/2.4, ASI2600MC, and for an hour total taken about
            20 mins drive north of Payson where the south western sky is
            accessible.

            
Select an image size for a larger view:

1400 x 1200
            




            
Select an image size for a larger view:

1400 x 1200
            


Lens:  Samyang 135mm f/2 @ f/2.4
Camera: ASI2600 MC
Platform:  Ioptron GEM45
Exposure:  60 mins
Location:  Payson, Arizona
Elevation:  5150 ft.
Sky:  Seeing  7/10, Transparency 8/10
Outside Temperature:  45F
Processing Tools:  Maxim DL, Photoshop CS2
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