After missing the BFSP at Cherry Springs State Park, PA last new moon we were anxious to get out for one last hurah for the year. Weather looked great initially from midweek into the weekend but rapidly went downhill as we got closer to the weekend. We did however have an amazingly clear Weds night and clear until 3:00am or so on Thursday.
Friday morning arrived with clouds and slightly warmer temps (no frost) than Thursday morning. The sunrise was spectacular.
I am not a galaxy imager. I’m at home with short refractors imaging large nebula in our own galaxy. Spring and Fall are more or less galaxy season though if you want to be able to image the same object the majority of these longer nights. So I picked out a decent size bright galaxy and dusted off the long f/ratio 5″ refractor and gave it a try. It’s not without it’s problems but nice to see a 28 year old refractor still collecting photons!
With weather looking wet and wild for the 2019 Cherry Springs Star Party and things looking slightly less soggy at Calhoun we decided to cancel on Cherry Springs and gamble on Calhoun. Good thing we were setup on the top of a ridge so we never had to deal with muddy conditions considering all the rain we didn’t know was coming.
Due to a moisture breach of my camera causing frosting issues which caused me to throw out all but 4.5 hours of data out of 18 I figured I might as well post this as it’s not going to get much better. Image scale was 1.31 arcsec/pixel which seems to give fairly decent sampling for the average seeing here in East Tennessee. Imaging location just outside Clinton, TN with average SQM measurements ranging from 20.1 to 20.4 mag/arcsec^2.
NGC 206 is the brightest star cloud in the arms of the Andromeda Galaxy visible to us here on Earth. You often see M31 imaged wide field but there is a wealth of detail to be found in the star clouds and dust lanes that start to pop out with a little more focal length. Taken late last year from my back yard.
We’re in Galaxy Season and without the 10″ RC I’ve instead focused on the 5″ refractor with a small pixel size camera to squeeze out some detail. Imaged from the backyard observatory in ~20.5 mag/arcsec^2 skies.
Messier 63 (also known as M63, NGC 5055, or the Sunflower Galaxy) is a spiral galaxy in the constellation Canes Venatici consisting of a central disc surrounded by many short spiral arm segments. M63 is part of the M51 Group, a group of galaxies that also includes M51 (the ‘Whirlpool Galaxy’). M63 is an active galaxy with a LINER nucleus.
In 1971, a supernova with a magnitude of 11.8 appeared in one of the arms of M63.
Friday night was fantastic without a cloud to be seen. Saturday night was less pristine with a lot of thin cloud moving through. I thought we had some clearing later but a lot of the images from Sat night showed very inconsistent background values which leads me to believe we had thin stuff moving through all night. Still, how many clear nights can you ask for? It was a great TSSP and looking forward to the Fall Star Party.
SQM measurements topped out around 21.3 on Friday night and 21.4 on Saturday night.
On April 1st through April 3rd Pickett State Park, a newly designated IDA Dark Sky Site, held its first Astronomy Weekend Star Party. We were clouded out Friday night but clouds on Saturday finally yielded to clear skies albeit with some very gusty winds until the wee hours of the morning.