Tuesday, January 6, 2026

Two moons of Uranus and a dozen star clusters

 The Wolf Moon is waning and rising later.  These images were taken less than an hour before moonrise.  Sky brightness was a mediocre sqml=19.4 mpsas.  A thin cloud layer was visible toward the northwest.

Equipment: Astro-Tech AT72EDII refractor + 1x field flattener, Olympus E-M5iii camera, ZWO AM3 mount. 

First up, another look at two moons of Uranus: Titania and Oberon.  Both of these moons are about magnitude 14.  (Reminder: click on an image to get access to the full-size version.)

Uranus, Titania, Oberon., 2x enlargement.


4x

 

The Double Cluster in Perseus.  2-deg wide FOV.

Meissa (Lambda Orionis) and Collinder 69 (CR69) at the head of Orion.

Another double cluster.  NGC 1817 (left) and NGC 1807 (right) in Taurus.

NGC 1647 in Taurus

NGC 1746 in Taurus

M34 in Perseus

M36 in Auriga

M37 in Auriga

M38 and NGC 1907 (bottom) in Auriga

M45 in Taurus

That was actually thirteen star clusters, so a "Baker's Dozen".

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