First light test of the QHY268C CMOS camera on the Tak FSQ-106ED. For a very short total exposure time and a low southern target results were better than expected.
This trip to Cherry Springs State Park promised an amazing clear stretch but was marred by dense smoke obscuring much of the sky from the wildfires raging in CA and other parts of the US.
IC 1805 / Sharpless 190, more commonly known as the Heart Nebula, lies approximately 7,500 light years from Earth. This data set was comprised of 43x20min Ha, 23x20min O[III], and 24x20min S[II] for a total exposure time of 30 hours over several nights in November 2019.
We had some great weather for the annual star party at Pickett State Park, TN last new moon. This star party is still young and looking to grow. The park rangers are doing a great job, it’s a great venue for presentations and a great field for observing / photography. I’m not sure why it still remains a hidden gem of sorts.
Overall sky quality, other than some early clouds, was excellent. With SQM measurements around 21.77 mag/arcsec^2 this was the darkest I’ve seen Pickett. I would note too that of the other dark sky sites I routinely visit, this quality of night is nothing to complain about.
We had a great clear spell 7/23 through 7/27 with only moderate lunar interference in the early hours of the morning. This is 14 hours of exposure divided equally across Hydrogen-alpha, Oxygen [III], and Sulfur[II] emission lines. Scope was an AP130GTX with Apogee U16 CCD on an AP1200GTO mount. Located outside Clinton, TN. The following are crops from the main image.
Finally, here is the nearly full frame image encompassing the whole area.
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.
I made the 13 hour trip up to Cherry Springs State Park for the Annual CSSP Star Party hosted by the Astronomical Society of Harrisburg PA, Inc. I went up a few days before the star party since it’s always helpful to get a good spot. Those of us that were there early on Monday night were treated to a fabulous night with SQM measurements >21.9! Overall it was an amazing streak of clear weather for PA with a total of 4 imaging nights. I was hoping for one or two so as not to set my expectations too high so I was very pleased with four nights!
I even did a little visual at low power with a 4″ refractor. LDN 1795 (large 50’x50’dark nebula in Scorpius) looked absolutely amazing to me at 19X. First time I had a WOW moment visually.
I was the first one to arrive for the star party on Saturday night at Look Rock South. It’s a beautiful view to the south looking into the Smokies.
We definitely had some clouds for the beginning of the night with some sucker holes now and then. I was never able to get off a 20 minute shot without the clouds rushing in within 10 minutes…
But things finally started to clear up and the Milky Way really started to pop out.
Once it was cleared up I was off to take some test shots and validate the portable rig was ready for more serious projects. NGC 6820 AKA Sharpless SH 2-86 and all the surrounding emission and dark nebula has always been a favorite of mine. It’s located in Vulpecula not that far from M27, the Dumbbell Nebula. It reminds me of a less popular M16 with it’s gas and dust pillars and dark globules. Open cluster NGC 6823 resides in the midst of the nebula and is about 6,000 light years away.