Unless otherwise stated all images were taken in a Bortle 8-9 white-zone with a ZWO ASI-178mm mono camera.

Lunar Eclipse of Jan 21 2019.  Canon 60D with 400mm lens, F5.0, 0.7 secs, ISO 6400.

The Moon.  20cm SCT, F10, stacked stills from video.

The Moon.  20cm SCT, F10, stacked stills from video.

Massive sunspots of Sept 4, 2017.  Stacked stills from video, solar filter, colored.

Hi-res Moon with small 80mm F5 refractor.  Stack of best 10%, or about 50 stills.  UV/IR cutoff filter.

Hi-resolution solar image shot through an open window showing a very small sunspot group at the base of the arrow.

The near-full solar disk is a stack of 540 frames and the enlargement is a stack of the best 10% of 3,400 frames.

Both photos use the same 20cm SCT 'scope at F5.6, using solar and IR/UV cutoff filters.  Colored.  August 18, 2020.

The White Zone

An Urban Astronomer's Light Pollution Guide to Balcony Imaging

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