re: Moons of our solar system

Very cool thread...I actually did not know that we always see the same face of the moon.

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Moons of Mars

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There’s more water on Europa than Earth

Neat! Thanks for posting.

Somebody is reading Red Rising

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astro photography is the tits. i gots me a telescope, and just joined an astronomy club to teach me the universe

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A Beginner's Guide to Astrophotography



This is a great place to start. I work with NASA and the ISS on some of their unique imaging requirements. One of the things you want to consider is using a camera that has been either designed, or modified, to allow the sensor to pick up accurate depictions of the reddish hues when photographing diffuse nebulae in the nighttime sky. The REDS you see in images of nebula (like I posted below) are due to hydrogen-alpha molecules (Ha) and these generally show up at a wavelength of about 650 - 660 nanometers. If the filter over the CMOS sensor filters this out, you'll miss most of what's available for viewing by using a standard or non-modified DSLR. These can be modified to remove that filer and replace it with clear filter glass that preserves the focal properties of the lens to the camera.

Without the modification, you would NOT be able to capture any of the red you see here.



This article also explains how NASA uses filters to map out beautiful images, not just for looking nice, but to determine specific chemical compounds. It's how you go from the image on the right to the image on the left as shown below: