Chris Lasley

Okay, I realize that Charles didn’t have the advantage of quality telescope optics such as those we have available to us today. I can even accept the difficulty of differentiating a globular cluster from a comet in his day. But Charles come on! Turn the focus knob or have a little less wine with your cheese already!!!

Seriously, Messier 29 through most any telescope available today is easily seen as a fairly course open cluster. It lies in a dense region of the milky way near Gamma Cygni. Grab your binoculars or low power eyepiece for this one.

I captured M29 using a 12.5 inch f/9 RCOS Ritchey-Chrétien telescope with an SBIG ST10XME and AO7. The image is a combination of 48 – 10 second exposures.

It’s no secret that given the choice I’d rather whip out my PowerBook than log onto my Windows machine. Not looking to start a rant here just stating my preference. I knew when I whipped out the PowerBook for my presentation at the Ark-La-Tex Star Party I would take a few lumps from my fellow geeks – and I did. Now imagine how delighted I was when three of the six speakers (yes including me) did so on a PowerBook. Many of my fellow astro geeks were stratching theirs heads on this one – it’s no secret.

Had a great time down in Nashville, Arkansas at the first ever Ark-La-Tex Star Party. Roy, Tim, Kevin and all the members of the Red River Astronomy Club did a great job putting the event together. The weather was great, the skies were clear and the food was excellent. What more could you ask for?

I was one of six speakers at the event. Topics ranged from photometry and spectrometry to collimation, planetary imaging and everything in between. I spoke on “The Imaging Process” and as usual rambled on way longer than I intended to. Click here to download a PDF file of my presentation.

Hope to see you there next year!

The past weekend was an imaging bonanza!

I imaged more in the past weekend than I believe I have in the past 2 years. I’m continuing to work my way through the Messier List – geeze there are a ton of star clusters in that catalog. I managed to capture 5 more objects, 4 globulars and a nebula. Tonight I processed M57, the lone object that wasn’t a globular.

M57 the famous Ring Nebula in Lyra is thought of as a benchmark example of a planetary nebula. It was discovered by Antoine Darquier de Pellepoix in 1779 and lies some 2,300 light years from Earth.

I captured M57 using a 12.5 inch f/9 RCOS Ritchey-Chrétien telescope with an SBIG ST10XME and AO7. The image is a combination of 6 – 10 minute exposures.

I’ve moved down the list from Messier 102 to Messier 101, the Pinwheel Galaxy. M101 was discovered in 1781 by Pierre Méchain and added as one of the last entries in Charles Messier’s famous catalog. There is a bit of controversy over the possibility of Messier 101 and Messier 102 being duplicate entries. As I mentioned in my M102 post, M102 is commonly accepted today to be the Lenticular Galaxy NGC 5866.

I captured M101 using a 12.5 inch f/9 RCOS Ritchey-Chrétien telescope with an SBIG ST10XME and AO7. The image is a combination of 12 – 10 minute exposures.