Scattered Thoughts . . .

W hen I got up this morning, I immediately noticed that the sun was streaming in our windows and it was a color of light that we haven't seen in quite a while.  It took me a few seconds to recognized it but it was normal, bright sunshine not discolored nor diffused by smoke!  When I peered out the window, I noticed that the sky was a nice blue!  My first thoughts were that I should take advantage of the rare good weather to do some solar astronomy.   Unfortunately, my spine still has not fully recovered from my latest spinal problems that left me crumpled on the bathroom floor a few days ago.  This meant that I would need to keep my astronomy gear to a minimum to limit the amount of gear I would need to lift and carry outside.  So, I decided to go back to basics with simple gear.   I chose my smallest telescope (physical size)...  my Apex 102mm Maksutov-Cassegrain.  I chose my simplest solar filter which is a glass filter that mounts on the front of the telescope.  I chose a tiny s

I've been overwhelmingly exhausted this past week so I really haven't been doing much other than sleeping, eating and using the bathroom.  This morning, however, we had an unusually clear, sunny sky so I decided to do some solar observing with a couple of telescopes.  I felt that I had enough energy in me to drag a couple of telescopes out of the house for a simple observing session so that is what I did.   I had quickly decided to just make this an observing session only though.  To do a "proper" imaging session would require far more equipment including a computer and associated cables and thus would require far more energy.  This was energy I still didn't have just yet.  Honestly, I was still feeling as though I could sleep for another week before diving into anything too taxing.  My plan was to just observe the sun for about an hour or so while saving enough energy to then put everything back in storage.  (It turns out that I did not have enough energy to prop

I t was a very rare beautiful day yesterday.  Lukey and Kenzie were with us for the day too.  The moment I saw how clear the sky was on this morning, I knew I should be setting up for some solar astronomy at some point during the day.   Because of trees around our house, I have only a relatively short window of opportunity the first thing in the morning and then a relatively short window of opportunity in the early afternoon for solar astronomy.  Two short windows of opportunity are better than no windows of opportunity though.  The sun would be behind trees all the rest of the time.  I chose to set up for solar astronomy first thing in the morning before Lukey and Kenzie even arrived at the house.   I knew that if I waited for early afternoon, then I'd likely have to contend with wind.  When it comes to astronomy, wind can be as limiting as clouds so I knew that my chances of a good session were during that early morning window of opportunity.  The wind usually picks up by late mo

I had previously written about solar imaging in Calcium K (CaK).  In that imaging session, I had used one of my usual nice little refractor telescopes (Skywatcher ED 72mm refractor).  This time I am revisiting an imaging session done in white light when I used a really lousy little Maksutov-Cassegrain telescope.  This telescope is the Orion Apex 102mm Maksutov-Cassegrain (uggg...  I really hate a lot of characteristics of all reflector telescopes and this tiny little guy is no exception) .   Seriously, I do not like this little telescope at all.  I was told that a Mak-Cass would be "razor-sharp" yet this Mak-Cass does not provide a crisp image when compared to any of my refractor telescopes...  not even when compared to my sub-$100 70mm achromatic telescope.  It occasionally needs to be tediously collimated so that the mirrors are perfectly aligned otherwise the views are even significantly worse.  Collimating a Mak-Cass is tedious and difficult.  It requires a temperature

I am all set up to do some solar imaging but I am now waiting for the sun to clear the trees.  This time of year, the sun travels very low across the sky so I only have a relatively short window of opportunity to observe or view the sun.   I plan to start with some white light observing and imaging of the sun's photosphere.  My solar wedge solar filter includes a Continuum filter as well as the usual IR/UV Cut, Neutral Density and Polarizing filters which has always worked fairly well for me.  I've observed and imaged this way before so there is nothing new with this configuration.  I plan to do something new today too though.  I now have a narrowband 3nm Calcium K filter inside a different solar wedge filter that I have yet to try so that will be part of today's plan.  This should produce nicer results.   The one "different" thing about this filter is that this Calcium K filter is not an observing filter.  Actually, my eyes should see nothing through this filter.

Until recently, I've been using my usual photography-based cameras for my astrophotography.  I'm not going to get into details here but using those everyday cameras is not ideal for most astrophotography (it's okay for some things but not ideal for most) so I purchased two astronomy cameras.  One camera captures high speed video in color and the other camera captures high speed video in monochrome.  Capturing video provides me with many frames to stack as images in a very short period of time.  Stacking the images provides a lot of benefits including less noise, more details and cumulative exposure.  With these cameras and a fast computer, I can capture hundreds of video frames (which are images) in just a few short seconds.  And that is at 6mp.  Many low end astronomy cameras are less than HD resolution, one or two are at Full HD resolution and my cameras happen to capture larger images at 6mp so I'm happy with that too.     I have two Sony cameras that I use for my ev

When I got out of bed yesterday morning, the sun was shining brightly!  I can't remember the last time we've seen the sun...  maybe someplace out west last month during our train trip? So, after taking a bunch of medications that I need to take every morning, I started collecting solar astronomy gear to bring out to the deck.  The days and nights that are suitable for astronomy in our neck of the woods are severely limited so I need to take advantage of every available moment if my health allows.  Fortunately, yesterday morning I was feeling well enough to do an hour or two of solar astronomy.  At the very least, I knew that a short burst of adrenaline would carry my flu-ridden body for an hour or two! I had planned to set up the telescope on the deck so I could stay out of the snow and mud but, unfortunately, the sun is still too low in the sky way up here in the north.  When I stepped up on the deck by the time I started moving gear outdoors, the sun was behind the trees.

I have a little bit of time before we need to head to the train station so I thought I would try a few different processing techniques on yesterday's solar images.  The sunspot is still obvious in this image as well as a few other areas of interest.  The other areas may be sunspots forming...  time will tell.   These are images capturing white light using a glass solar filter mounted on the front objective lens of my telescope.  I captured the image using my Sony a6000 camera and using a 2.5x GSO barlow.  This particular image, below, is a single frame.  Yesterday's image was the result of stacking 10 images.   I'm actually a bit surprised by the amount of detail I'm seeing here in this image.  This was captured using my smaller Skywatcher ED 72mm refractor telescope.  Also, the glass filter isn't as good as my usual solar wedge diagonal especially when it is mounted on my larger Explore Scientific ED 102mm APO refractor.   Yesterday's imaging was simply to

My health is still recovering from the problems I had Saturday but I felt like dragging a telescope out to the front deck to observe the sun this morning. It doesn't require a whole lot of energy to peer through a telescope but I do need to be careful out in the sun or I'll end up with failing health again. I definitely don't have the energy nor is my head clear enough to attempt any home improvement/repair projects so I will probably bounce between the piano and the telescope all morning. It is a bit hazy again today so the viewing isn't great but it is better than the clouds and rain we've had for the past week or longer. At least the sun is shining! Up until today, all my astrophotography has been done using my Sony a6000 with its 1.5x crop sensor. This morning, however, I decided to give my full frame Sony a7 a shot... My Sony a7 worked just fine. This camera will give me a slightly wider view but also should provide smoother gradients and simply bette