Day-lapse Crescent Moon with Earthshine

Another beautiful evening in Austin. This is the day-lapse payoff for the earthshine image from the night before: a 3 day old crescent Moon illuminated 9.6%. You can read more about how day-lapse earthshine images are made.

Crescent Moon from Austin on 2017-01-31 01:02 UT. Questar 3.5" telescope (1350mm f14) and Sony a6300 camera at prime focus. A day-lapse HDR image. Crescent exposed 1/25 sec at ISO 400. Best 8 of 105 images stacked in Nebulosity. Earthshine exposed on 2017-01-30 00:55 UT for 5 sec at ISO 400, best 16 of 30 images stacked in Lynkeos. Deconvolution in Lynkeos with HDR composition in Photoshop.

The earthshine in this HDR composite is data from the prior day corrected for lunar libration. The one day advance in the terminator position eliminates the glare caused by dust and internal telescope reflections in the image. The result is a natural appearance of the region near the terminator without the effects of glare from the bright crescent.

Content created: 2017-01-31

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FB:Roshaan Bukhari

2017-01-31

This is an excellent image. I have never seen the sun-lit side and earth-shine side displayed so accurately in one picture. This is so close to what the human eye would see from a good set of binoculars.

Flickr:TK White

2017-01-31

Excellent work!

FB:William Pellissard

2017-02-02

Le traitement est vraiment impressionnant, c'est d'une grande douceur et la HDR se fait complètement oublier, un grand bravo pour cette prouesse technique !