M42 Reprocessed

Here is last night's image with some minimal Photoshop processing. The image gives a much better sense of the extent of the nebulosity.

M42--The Great Nebula in Orion 1-18-2015

M42 is well-placed at this time of year and tonight was a perfect night for imaging with a velvety-dark sky and great transparency.

These conditions are reflected in this image of M42 I captured with the Jr Pro and the 14 inch. While the Trapezium and other brighter stars are bloated by the integration effects, the detail in the nebula is better than I've ever been able to get before.

A close-to perfect night, indeed!

Comet Lovejoy and a Series of Unfortunate Events (Jan 16, 2015)

Comet Lovejoy, 2-3 second exposure ETX-125 with.5 focal reducer and JR Pro

We finally had a break in the frigid weather here in Indiana, with temperatures in the balmy lower 30s F. After seeing Comet Lovejoy in binoculars, I was determined to image it,

My house is surrounded by a forested area that extends all the way down to the nearby Wabash River and the best place to observe is the driveway. I have my 14 inch Meade ACF on wheelie bars in the garage, but the ice was so thick in the driveway, that after 10 minutes of grunting and pulling (and moving cars), I could not get the scope out  (I should have bought the big wheels!).

Plan B was to use my little SmartEQ Pro mount that has so far been used exclusively to drive my PST. I took my ETX125 OTA with dovetail and and put it on the mount. I had to add a 2 pound weight from my barbell weight set to balance it, but it finally sat happy on the mount. More critically, I had to pick up my daughter from swim practice at 8 pm, and the fact I knew the clock was against me was a cause of anxiety. I really wanted to image this comet!

I

Another image of Comet Lovejoy

It was 7:15 and I decided to set up on my patio, which is surrounded by trees with just a small amount of sky visible. But as there are no leaves right now, and as I calculated the comet would be in the clear sky, I set up there. I powered up the mount, did a quick polar align and pulled the coordinates for Lovejoy from the Astronomy Magazine site. I entered the coordinates--so much easier than on a Meade controller--and the scope slewed. I looked in the finder; nothing. I synched on Aldebaran and tried again.  Nothing. In fact, the scope seemed to my eyes, to be well away from the area I had seen the comet a couple of days ago. I checked the coordinates on several sites. They were all significantly different. I then went to the Sky Live site. Their position seemed about right and I entered their coordinates. The scope slewed, and there it was, a fuzzy blob in the finder just above the top of some pine trees! I centered it in the scope, connected the Jr Pro and looked at the laptop. The comet was visible as a hazy, monochrome blob with a very bright nucleus--more like an image of M31 than a comet. I captured some quick record shots. I adjusted the exposure with the hand controller. The wireless unit responded, but the camera did not--it was stubbornly stuck in its default 2-3 second mode. I checked the settings and restarted the camera--time was running out! No difference. What did Rock tell me when this happened before??  I checked my email--and there it was! Pull out the batteries from the hand controller to reset it. But I was out of time!

Pic taken of monitor with my iphone. The greenish color of the comet is (slightly) visible

I drove off to get my daughter, leaving the scope to track. I was very excited and could not wait to get back and resume imaging. 20 minutes later, I got back. The mount had done a meridian flip and the comet was not in the viewfinder field any more! More concerning was that the laptop connection to the power strip was not good and the laptop battery had died. I reconnected the laptop power and turned it on. A thermometer icon came up on the screen--it was too cold to start!

I grabbed my monitor and plugged in the camera. The image showed a few stars in an otherwise empty field. I reset the exposure and this time it worked, but the scope was no longer pointed at the comet. I resynched on Aldebaran and entered the coordinates again--and there it was again. I centered it and played with the exposure. Even on a 10-second exposure, I could not see the tail and the green coloring was extremely faint--almost monochrome. Increasing the exposure washed out the sky backgound. Then I realized that in my haste I had not attached my skyglow filter!  I decided not to go in and get it, and took some images using my iphone, but between the autoexposure and the low quality of the screen, the pix were a bit of a disappointment.

By now, I was chilling down, so I packed up for the night. I was happy that I had managed to get some pix of the comet, but disappointed that they were not better. I guess that it the lesson of amateur astronomy--you have celebrate the small victories!

Comet Lovejoy 01-15-2015

I finally saw Comet Lovejoy tonight at 8:48 pm a few degrees west of Aldebaran--pretty much where the Sky and Telescope map said it would be (no surprise!), I was using some very inexpensive 7x50 binoculars. The sky was clear, but with a slight haze that scattered the lights of the town. The comet was fuzzy with a brighter, starlike nucleus. I could not really see the tail and the comet itself was barely visible against the background of the sky.

Unfortunately, snow and ice prevent me from getting a scope out to take a closer look and perhaps capture an image. That's the tough part of Indiana astronomy--it's always bitter cold and snowy during the best part of the year for observing.

Sun Dogs

The recent mass of arctic air over Indiana has kept me away from the scope, but there are still interesting things to see in the sky. This image was snapped last Friday while I was driving southbound. The sun is low in the SE and  the sun dogs and arc are clearly visible, despite the fact my camera insisted on focusing on the windows, rather than at infinity. Hexagonal ice crystals in the atmosphere act as prisms and bend the sun's light. The geometry of the crystals bends the light witha minimum deflection of 22 degrees. Random orientation of the crystals produces the 22 degree halo that can be seen extending from the dogs.

M31 again

The weather has been pretty much solid cloud since my last post in November. On 12/26, it cleared, I set up the scope under gloriously clear skies and managed to make a couple of captures of M31 before the clouds rolled in out of nowhere. The image is a stack of 10, 12-second integrations captured with a Mallincam Jr Pro and Miloslick capture software. The scope was the Orion ED 80 apochromat.

Processing with Photoshop did not bring out the structure of the "halo" beyond the nucleus, indicating that I probably need to take longer exposures.

M 31

This is a capture of M 31 taken on November 10. Detail is hard to see, because the galaxy is a little large to image in the 14 inch, even with a focal reducer.