Io casting an impressive shadow as it moves between Jupiter and the Sun. Tracking these transits across the surface of Jupiter is a really interesting observing opportunity and shows the ever evolving dance between Jupiter and it’s many moons.
Tonight, I completed my imaging goal for the summer. Mars, Jupiter and Saturn have all been filmed, stacked and processed using a DSLR camera. All three of these images were captured at f/11.8 which means the images above are at accurate scale to each other as viewed through the Orion Xt8i. Mars was the last holdout, with the dust storm washing out most detail during my earlier attempts in late July. For comparison, below are my previous images of these three planets taken with an iPhone 6 back in 2016.
June 7/8, 2018: Those Summer Nights
Summer is not a favorable season for amateur astronomy. The nights are short, dew sneaks up on you and the insects are annoying. On this night, the skies were clear, the dew point was reasonable and the insects were not biting, at least not that bad. With the moon not rising until 2:45 AM, it was a wonderful opportunity to work through some deep-sky objects on my Messier List.
10:45 PM to Midnight
After allowing the telescope to cool for an hour, the evening began with M13-Hercules, a favorite of mine since my first observations of it in 2010. It is one of the most impressive views in the night sky and a treat to show off to family and friends. What starts off as a dense blurry core is peeled away to reveal finer levels of detail at medium and high magnifications, where thousands of stars become visible. Objects such as this truly reveal to me the glory of God’s creation. My success rate at finding and being impressed by other globulars tonight was hit and miss. While the small but impressive M92 was easy to find, the dimmer M107 was nowhere to be seen due to light pollution near the horizon. Most of the other globular clusters early this evening were of little detail, including M19, M80 and M9.
Midnight to 12:15 AM
Lauren came out to take a look at Hercules and Saturn. While she was impressed by the fine detail of Hercules, her favorite sight is always Saturn. She has a better eye for fine detail on the planets than myself and easily picked up the Cassini division and a dim cloud band across the middle of the planet.
1:00 AM to 1:30 AM
The hunt for globular and open clusters continued after a brief hiatus. M22 was a surprisingly impressive globular cluster with fine detail in its core showing up at 96x and 200x magnification. Hopping over just a couple degrees was the smaller and less defined M28. Switching to an open cluster, M25 was just a stone’s throw away from Saturn with a pretty collection of stars shown at lower magnifications. While M54 was difficult to find due to light pollution near the horizon, M70 was impossible. What awaited next was the most pleasant surprise of the evening, M11–The Wild Duck Cluster was a beautifully dense and sharply detailed open cluster. It could easily be mistaken for a globular cluster because of the density of the core. At 96x and 200x magnification, it revealed some fine details including one star shining brightly in the upper center of the core.
1:30 AM to 2:00 AM
Shifting gears to some things a bit closer home, Jupiter, Saturn and Mars were on display throughout most of this evening. Atmospheric conditions were ideal with fairly cool temperatures and no wind. Of the three, Jupiter in particular was stunning in it’s sharpness and clarity with three of its moons Io, Ganymede and Callisto in a tight triangular formation. I Hooked my iPhone up to the telescope and took some videos of the planets.
Here is some of the video I shot that is posted on my YouTube Channel.
The 1080p 60 FPS footage was sent to Registax 6 to enhance the sharpness. Then the color and contrast were enhanced in Adobe Premiere Elements 6 to create the following image of Saturn at 1200x magnification.
3:15 AM to 4:00 AM
With that, the night was done–or so I thought! Having brought in all of my equipment, I realized I was just three Messier objects shy of hitting the halfway point. I looked at the clock and decided to lug everything back out for three more objects. The final three Messier objects began with M73, an open cluster with a simplistic four star pattern. It took a while to verify its location, with observations at higher magnifications revealing more of the stars in its formation. One wonders why an object like this was included in the Messier list to begin with. Second to last was M15, a small yet surprisingly bright globular cluster with an impressive core which revealed some structural details at higher magnifications. The night officially ended with the anticlimactic M2, revealing itself only as a small blurry globular cluster with some minor fine detail at 200x magnification.
4:00 AM to 4:15 AM
Before going in, a few more attempts were made to capture Mars on video, since it had moved up from the horizon into better atmospheric conditions. As I was packing up, my Apple Watch showed that the Moon had recently risen. Walking around my property, I found a spot that showed it just peaking above the horizon. Seeing the Moon at this early morning hour was a perspective that I have seen few times before. Seeing the Moon at this hour with the waning crescent portion of it visible gave me a new perspective on a familiar sight.
4:45 AM to 11:00 AM
The summer months can be a tricky time for observing. The nights are short, the weather is erratic and dew starts to build up on the telescope as soon as the serious observing begins. Nights that are clear, calm and cool are rare to come by and should be taken advantage of. I did just that on the night of July 10-11 from 10:45 pm to 1:30 am.
Starting with the Solar System
Viewing conditions were difficult, looking through the turbulent summer atmosphere, views of Mars were less impressive at high magnifications. Also, Mars continues to move farther from us, having made its closest approach to Earth on May 30, 2016 at a distance of 47 million miles, making surface detail harder to make out each night.
One of the highlights of the night, as usual, came from Saturn. With the Cassini Division in full view, this planet always tends to be more forgiving of rough atmospheric conditions, particularly compared to Mars and Jupiter. I was able to try out my new iPhone adapter with the telescope and after some initial alignment difficulties over the eyepiece was able to get a short video.
After being processed through Registax 6 and Adobe Premiere Elements, this image was the final product.
Into Deep Space
The main targets of the evening were Deep Sky Objects. I’ve been chipping away at the Messier List for about six years. These 110 objects are considered some of the best to view and most are attainable with affordable binoculars and telescopes if you are in an area with low light pollution.
Of all the views from this night, the globular clusters were the most difficult to find and disappointing to see. These dense collection of stars were partially drowned out by light pollution and the Moon that had yet to fully set. M80 and M92 were two new ones that I was able to mark off my list. M13 was an impressive show, even with the viewing conditions working against it. The Hercules Cluster is one of the most impressive globular clusters in the sky. I find it hard to focus the object correctly because of how dense the star field is. Various levels of focus almost seem to bring out new layers of detail.
These collections of stars always impress me with their elegance and simplicity. Not nearly as dense and “fuzzy” as globular clusters, open clusters can be difficult to find but rewarding to discover. Take M18 for example, to verify that I had the correct collection of stars, I had to consult my star chart (Sky Safari 4 Plus on my iPhone) that I was in the correct region of the sky. I did this by counting stars and comparing patterns between what was in my eyepiece and what the chart on my app showed. M23, M26 and NGC 6633 rounded out the list of open clusters viewed.
One of my favorite sights of the summer sky are the five to eight thousand year old supernova remnants of the Eastern and Western Veil Nebula. I wasn’t sure if NGC 6960 and NGC 6995 would show up from my viewing site, but sure enough with the help of an O-III filter they did. The scale of these two objects is an impressive sight and their ghostly outlines are fitting for the remnants of a dead star.
One last Planet
By around 1:30 am, I started to get tired but noticed that there was one planet which had just moved high enough for me to view. Neptune is the farthest planet from the Sun, making it one of the more difficult ones to spot, excluding dwarf planets, sorry Pluto. At 400x magnification, I could make out a faint circular disc with a blueish gray tint. Not bad for something 2.8 Billion Miles away.
In 2015, I detailed my “Small Steps into Astrophotography”. Since then, I have done little with imaging and processing. That is, until this week. I’ve returned to the complicated, yet rewarding, world of astrophotography. To start, I focused on two great targets for beginners, Jupiter and the Moon. Jupiter, which is near opposition, is as big as it will get in the night sky and the Moon is always a good choice for learning the basics of imaging.
I began by holding my iPhone 6 over the eyepiece and captured about ten seconds of video for Jupiter and the Moon. The 1080p resolution of the iPhone does a good job at capturing the fine detail on these objects.
Once the videos were captured, I had to find a program that could take my iPhone footage and convert it to a format that my photostacking software could work with. I chose to go with PIPP, Planetary Imaging PreProcessor.
Even though I’ve had some previous experience with Registax 6, I couldn’t remember much about it and had to look up some tutorials that explain the basics of the program. Through this Registax 6 Tutorial, I followed the steps outlined and turned my videos of the Moon and Jupiter into stacked images that brought out fine surface detail.
Jupiter, about halfway through the Registax 6 process.
To finish up with some additional adjustments to the lighting, sharpness and color hue, I used Adobe Premiere Elements to make some final enhancements.
The Final Results
Jupiter and two of it’s moons, Ganymede and Io.
The Moon, featuring Montes Apenninus.
Mars is back, and I have a hard time believing how much time has passed. It was in February of 2012 that I last wrote about “The Return of Big Red”. Since that time, much has changed on Earth and a hovering sky crane lowered “Curiosity” onto Mars’ surface, continuing NASA’s legacy of remarkable planetary research and exploration. I was almost caught off guard by this years Mars opposition with Earth. If not for a student telling me about his recent observations during our monthly “Air and Space Club” meeting at school, I would have probably missed the best views Mars over the next two years.
Thankfully, this was not the case and last night I went out, with my wife in tow, to view “Big Red” for the first time since June 19th, 2012. After adjusting the telescope to avoid trees obstructing our view, the 6mm Zhumell Planetary Eyepiece was put in and at 200x magnification Mars did not disappoint. Even though it is still about three weeks away from it’s closest pass to Earth, land features such as Syrtis Major and the Polar Ice Cap were visible. Attempting to use the Orange #21 color filter did not yield any further detail. As is normally the case, simply waiting for those moments of sharp views when the atmosphere settles down, brought the best moments of the night.
As Mars and Earth continue their Solar System Dance, catching up with each other every two years, be sure to head out and take a look by the middle of April before we again start to slowly move away from each other. If you happen to miss this one, fear not, because come 2016 and 2018, Mars will be even more impressive in size and detail through a telescope because of how odd it’s orbit coincides with our own.
I love setting up a telescope with the Sun setting and the sky slowly transitioning from day to night. There is something exciting about planning what will be viewed and the anticipation of what is to come.
The night started out with some brief views of the crescent Moon. This is my favorite time to view the lunar surface. The shadows that are cast from the mountains and craters display incredible depth and make the Moon almost appear 3d though the eyepiece. Sadly, anything over half full and its surface becomes boringly flat, turning the Moon into a nuisance that does nothing more than spoil the view of deep sky objects with its light pollution.
Continuing into the evening, I was pleasantly surprised to find that Saturn was visible in the early nighttime sky. Easily, a favorite of mine and Lauren’s, its rings are now tilted to a point that will offer incredible views of the planet for years to come. Pushing the telescope up to 200 times magnification revealed the beautiful angle of its rings as well as the cassini divide that splits the rings themselves.
Holding up my iPhone to the eyepiece, I was able to take some pretty good video of the planet. The cassini divide is too thin to view in the video, but you can easily make out the divide between the rings and planet disc itself.
Starlog: May 25th & 26th, 2012