Saturday, October 5, 2024

Early morning in October, looking for comet C/2023 A3

 At the beginning of October, comet C/2023 A3 Tsuchinshan-ATLAS is low in the eastern dawn sky.  Unfortunately, the mountain ridges at my location extend up to about 12 degrees or more above the horizon and totally block any chance of seeing the comet.   At this hour, 6 am MDT, Orion dominates the southern sky.  Jupiter outshines everything, however.  At magnitude -2.5 it is 3.8 times brighter than Sirius, the brightest star.

Jupiter is top center.  The reddish "star" to the left is the planet Mars.

 
Leo rising over the eastern ridgeline, with a hint of zodiacal light

Mars top center, Pollux and Castor to its left


 
All images obtained with an Olympus E-M1iii + Leica 9mmf/1.7 lens + Hoya Softon filter.


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