M29 Open Cluster in Cygnus - a photo on Flickriver

            Messier 29 contains just thirty stars. The brighter members form a "stubby dipper", and give the cluster a boxy appearance.

M 29 is 6,000 light years away. It is not a particularly large cluster, only 11 light years in diameter, but its five brightest members are all giants, so the cluster's absolute magnitude is a very impressive: a luminosity of 160,000 suns. Moreover, M 29's starlight is rather strongly polarized by interstellar matter, which is apparently 1,000 times denser than average around M 29, and may absorb so much light that the cluster would be 3 magnitudes brighter if it were viewed "in the clear".

Image taken on 7 November 2023.
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Camera/ Telescope Seestar S50
IR Cut filter
14 Minutes of 10 second exposures (best 66 frames)
Frames stacked in Astro Pixel Processor
Adjusted with Photoshop CS4

   

Taken on: November 8, 2023

Tags:

Seestar

s50

messier29

open

cluster

cygnus

astronomy

astrophotography

night

sky « less

Sets appears in: • Astronomy • Messier Objects more » • Star Clusters and Asterisms • Seestar S50 « less

Groups appears in: • astrometry • BBC Sky at Night and Stargazing Live more » • Seestar S50 « less

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