Wednesday, March 4, 2009

1st Comet Lulin (C/2007 N3)

I was amazed at how far this comet moved. I started my search near Saturn as it was just there a week ago. I couldn't find it. I looked on and found it halfway over to M44. It appeared easily in the 60mm finder-scope and didn't look like much in the 6" LXD. I guided via the 4" retractor on the comet for 21 x 3min subs. Turned out half were behind the tree branches and should be thrown away. I also forgot to rig a dew-shield and may also have some bad stray light. I found the DMK didn't show up on the T42, but did on the T61 under winxp. Stars were bright and round after focusing on the moon, but did find that there was not enough focus depth so I used the 90* televue diagonal. Guiding on the comet via PHD Guiding was easy and the CGE was very up to the task for over 1 hour! Unfortunately I did no align the guider and found the comet was in the corner of the frame and the tail was out of the frame. Since it was cold and dark I didn't try to align

Some things to change next time:

1) guiding and imaging on the same computer
2) alignment of the imaging and guide scopes (finder too, why not?!)
3) dew / light shield on the imaging scope

Blog Archive

About Me

My photo

Loving husband, proud father, computer geek, astro freak, music lover, sports nut and general fun-loving guy

I've always loved facts, provable facts of nature and things concerning science.  

Over time, I found that most facts are mostly reference and it was the creation of and discovery of new things that intrigued me.

"A good friend once told me you are our memory
without them we equal nothing
And all I can see is the place I wanna be
Suddenly my life was so free
Leaves at my feet, blown to the ground
their echoes are reaching my ears
Nights coming fast, suns going down" - A7x