Comet 10P/Tempel
Taken by José J. Chambó on June 14, 2026 @
Valencia, Spain
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Periodic Comet 10P/Tempel, imaged on June 14, 2026, continues to brighten as it approaches its best observing conditions, reaching approximately magnitude 11.
During the first half of June, the comet brightened by about one magnitude, while its overall appearance remained largely unchanged. The image shows a well-defined false nucleus surrounded by a diffuse green coma that fans outward, gradually fading into the background.
At the time of this image, the comet was located almost exactly at the junction of the constellations Aquila, Capricornus and Aquarius, a star-rich region lying close to the Milky Way. Hidden among the dense stellar background are two galaxies: the lenticular galaxy IC 1324 near the right edge of the frame, and the edge-on spiral galaxy PGC 65019 toward the lower left. Viewed under dark conditions, the image also reveals faint hydrogen clouds threading through this area of the sky, adding a subtle reddish glow to the background.
It could easily pass for an image taken under a much darker sky, yet I captured it from my backyard observatory—a reminder that with enough integration time and careful processing, even a suburban sky can reveal far more than it first appears.
10P/Tempel @ 2026-Jun-14, 02:24 UT
Total Mag= 11 [aperture 251"], Dia.= 4.2 (Tycho Tracker)
TS-Photon 8" f/4, Atik 383L+. L=46x60s RGB=1x120s, FOV=75x58'(crop), N:Up E:Left. OAV, Valencia (Spain)
Photographer's website:
https://cometografia.es
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