NGC 2261 Hubble's Variable Nebula - telescope processed image. Its fan-like shape shifts over weeks as dust clouds near the star R Monocerotis cast moving shadows across the nebula's reflective gas.

NGC 2261 Hubble's Variable Nebula - unprocessed image. In 1949, it became the first object ever photographed by the 200-inch Hale Telescope at Palomar Observatory, captured by Edwin Hubble himself.

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A small narrow fan shaped nebula against a starfield

Hubble's Variable Nebula NGC 2261
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C46 / NGC 2261 Hubble's Variable Nebula - telescope processed image with Moon and Sky Light Filter. NGC 2261 (C46) is a variable reflection nebula in Monoceros, illuminated by the star R Monocerotis. Its brightness and shape change visibly due to moving dust clouds.

C46 / NGC 2261 Hubble's Variable Nebula - unprocessed image with Moon and Sky Light Filter. C46/NGC 2261's changes are visible over weeks or months as moving dust clouds cast shadows from the central star, R Mon, making it blink and shift shape.

Next up is a view of #C46 / #NGC2261 #HubblesVariableNebula. #seestar #S50 #space #astronomy #amateur

Stunning Hubble Space Telescope image of Hubble's Variable Nebula (NGC 2261), a reflection nebula in Monoceros. Its appearance changes over weeks due to opaque dust clouds orbiting the central star R Monocerotis, casting shifting shadows. The nebula is approximately one light-year across and located about 2500 light-years away.

Astronomy Picture from 08/11/2017

NGC 2261: Hubble's Variable Nebula

Source: https://apod.nasa.gov/apod/ap171108.html


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