Category Archives: Articles

Europa eclipsing Jupiter’s Great Red Spot – by Anthony Wesley

Europa eclipsing Jupiter's Great Red Spot
Europa eclipsing Jupiter’s Great Red Spot

Murrumbateman’s Anthony Wesley caught Jupiter with the shadow of Europa crossing the Great Red Spot. A great photo for the time and low angle.

Here is a low-res image of Jupiter from this morning showing the GRS and shadow of Europa. The image is IR+G+B. This was taken not long before sunrise from Roma in Queensland with Jupiter at an altitude of about 25 degrees.

You can see more of Anthony Wesley’s astrophotography over on his website at http://www.acquerra.com.au/astro/

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M94—a strange looking galaxy

M94
M94 [NGC 4736]
By Steve Crouch

I’ve had this data for M94 hanging around a while and wasn’t going to process it because I thought it was pretty poor quality. Anyway I employed the usual astrophotographic data manipulation techniques and came up with something that didn’t look too bad although it would have benefited from a lot more data. Of course you have to remember that this is only a small telescope.

This could be one of the last images from the Arizona telescope as my access is very infrequent now. I can’t complain though because I’ve had a good run.

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NGC 6559—Does this have a nickname?

NGC6559
NGC 6559

By Jonathan Powles

I was exploring Sagittarius over the last couple of nights, as you do, and I pointed the scope at what Skytools 3 tells me is a patch of nebulosity NGC 6559, and started to take some photos.

I was totally blown away by what I was seeing: bright and faint emission nebulosity; bright blue and also some yellow reflection nebulosity, wonderfully intricate dark dust lanes … this little patch of sky has it all.

Anyway, my question is this: does it have a name? A nickname?

It seems extraordinary that little blue and grey smudges get grand labels like “Ghost of Jupiter” and “Black Eye Galaxy” (another one I imaged last night), but that this visual and astrophysical wonderland just gets an NGC number.

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