Subsequent observations with the 10 inch (25 cm) telescope

Click on each thumbnail image to see the full picture.

Optical configurations used:

[A] = prime focus: F = 1219mm, f/4.8, field of view 104 x 70 arc minutes

[B] = 1.25" 2x Barlow: F = 2380mm, f/9.4, field of view 50 x 33 arc minutes

[C] = prime focus with coma corrector

[Cb] = prime focus with coma corrector and 2-inch Barlow

Messier objects

We start with objects in Charles Messier's late 18th century catalogue of objects that he thought might be confused with comets.

M3 globular cluster

[A]

M15 globular cluster

[B]

M27 - the dumbbell nebula

[B]

M31, M32 & M110 - galaxies in Andromeda

[A]

M33 pinwheel galaxy

[A]

M42 - the Orion nebula

[C]

M45 - the Pleiades

[A]

M51 - the whirlpool galaxy

[A] & [B] (comparison)

M76 planetary nebula in Perseus

[A]

M81 & M82 galaxies in Ursa Major

[C]

M82 - galaxy in Ursa Major

[B]

M96, M105 and other galaxies

[A]

M106 and other galaxies

[A]

NGC objects

The next section contains objects that are not in Messier's catalogue, generally because they are fainter. NGC is the New General Catalogue, first published in the 1880s. It contains 7,840 objects. The Messier objects do also have NGC numbers.

NGC 1023 - galaxy in Perseus

[A]

NGC 6960 & NGC 6992 - the veil nebula

[A]

NGC 7331 galaxy & Stephan's quintet

[A]

Other objects

3C66A - Active Galactic Nucleus

[C]

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