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David Callejas

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January 20, 2019

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Peter Lowenstein
Mutare, Zimbabwe

08/08/2022
06:22 pm

Photographer's Website

Equipment Details:

1 second exposures at f5.6 and ISO 800 with a tripod-mounted Panasonic Lumix DMC-TZ60 compact camera.

Post-processing Details:

Image size reduction for compilation of montage. Minimal application of Star Spikes Pro filter to make celestial objects more clearly visible.

Image Details:

Conjunctions of Mercury with Regulus and TX Leo.
Mercury, which has been very difficult to see due to continuing bright volcanic sunsets, has recently been observed moving upwards each day through the Leo constellation in post-sunset twilight glow. The accompanying montage compares the conjunction of Mercury with Regulus at 6.15 pm on 4th August (left) with the conjunction of Mercury with TX Leo at 6.22 pm on the 8th (right).

Posted

January 20, 2019

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David Callejas

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About the Author:

David Callejas, Marketing Director, helps bring EarthSky's content to the world via online ads and other products. He creates strategies that help people around the world find us and appreciate the work we do. He helps manage the EarthSky Store and bring to you the new products that you love. He's the chief liaison between EarthSky.org and the world of commerce. All that, plus he helps post content and populate our pages on Facebook, Google+ and Twitter. Go David!