Waning Moon

The Moon rose about 8.45 pm last night, while I was practising my deep sky photography. So the evening ended with a quick snap of our nearest companion in space.

Object Details:

Visual magnitude: -11.3.
Apparent diameter: 32 arc-min.
Actual diameter: 3475 km.
Distance: 372,323 km, 1.24 light-seconds.
Age since New Moon: 18.2 days.


Exposure: 1/320 sec ISO 100.
Date: 2017-09-09.
Location: Leumeah, NSW.
Sky: suburban sky, mostly clear.
Processing: Canon DPP and GIMP.
Cropping: yes.

Imaging telescope: Skywatcher Esprit 120ED Super APO triplet refractor.
Focal length: 840mm, focal ratio: f/7.
Imaging camera: Canon EOS 60D.
Telescope mount: SkyWatcher EQ6-R.
Field flattener, no filter.

Image © R.Powell


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