Lunar Eclipse from Abu Dhabi.

Wednesday 15 June 2011 saw a total lunar eclipse although once totality had begun I didn't hang around for too long to see everything in reverse. I had seen one other such eclipse from Brisbane in 1988 but this one was not as good. There are very good reasons for that.

Atmospheric conditions play an important part in any astronomical observation. A dark, clear, cold stable atmosphere is what is needed in order to get good images of the stars and moon etc.

The park at the edge of the city on a humid night, 28 -30°C where the heat haze during the day extending into the night meant that few stars were visible. This did not go well for photos I consider to be good ones of an eclipse.

However the following photos are the best under the circumstances. I will add some photography notes shortly to explain how I managed to get these photos.

9.03pm The full moon before the eclipse started.
(Shot details: f/9,  ¹/₃₂₀ s, ISO-200)



9.38pm. Another full moon shot
(Shot details: f/10,  ¹/₄₀₀ s, ISO-200)

All photos were taken with a Canon 450D using a 70-300mm f/4-5.6 L IS USM lens at 300mm.  The camera was mounted on a tripod with a remote release and mirror lock up in use. Some test shots were initially taken and then manual mode used for all exposures. As the moon entered the earth's shadow, I had to push the ISO up to 800 because the lens at 300mm only allows a maximum aperture of f/5.6.

The custom lens hood was vital in keeping out light spill from the city.
           
All these images are crops from the original where the moon was about 2.5 cm wide on the screen.



10.22pm. The earth's shadow starting to become noticeable.
(Shot details: f/10,  ¹/₅₀₀ s, ISO-200)



10.53pm
(Shot details:f/10,  ¹/₃₂₀ s, ISO-200)



11.08pm
(Shot details: f/9,  ¹/₁₂₅ s, ISO-200)

11.23pm
(Shot details: f/5.6,  ¹/₁₃ s, ISO-800)

A change of tactics here when I opened up the exposure to show some of the detail to the moon which is now mostly in the earth's shadow.  This one is quite interesting because it shows part of the moon outside the shadow, the middle is in the penumbra whilst the umbra, complete darkness, is starting to show its presence. Wikipedia has some good diagrams to show what this all means.

One of the advantages of using manual mode is that you can play around with exposures to get the best effect. In most of these shots I also did auto-exposure bracketing (the AEB function) and selected the best image to use here. As you can see I have pushed the ISO out to 800 with the result that images larger than those on screen here show quite a lot of noise. This is a compromise with the lens open at f/5.6 (it maximum at 300mm), and a shutter speed fast enough not to show any apparent movement of the moon across the image.

Another advantage of the DSLR is that you can play around with the settings to find out what works best. This type of eclipse lasts for many hours so you have time to experiment.

11.29pm Sunlight just touching the edge, top right.
(Shot details: f/5.6,  ¹/₆ s, ISO-800)

11.32pm. The moon is now completely in the earth's shadow.
(Shot details: f/5.6,  ¹/₅ s, ISO-800)

Even though the moon passes into the earth's shadow it is still visible. The lovely coppery coloured glow is due to light being reflected off the earth onto the moon and back again. You also get some refraction through the atmosphere as well.

To get some really great photos of the moon, a much longer focal length lens is needed as well a wider maximum aperture than f/5.6. Of course a properly telescope mounted camera which could follow the moon and ideal atmospheric conditions help enormously as well.

My main aim was to see how far I could push the camera and lens. I am quite happy with results here.

Do not try this with solar eclipses!

More top photos

Time for another selection of some of my more memorable shots.

Looking through some photos taken in the Serengeti I came across this one of a topi. With some cropping of the original, this has inspired me to search out some other photos to start another selection of my top photos. 



Topi, Damaliscus lunatus
One of the few antelope species where the female also has horns.

(Shot details: Canon 450D. EF-70-300mm F4-5.6L IS USM  lens at 200mm, f/5, 1/500s,   ISO-200.)



Serengeti leopard, Panthera pardus

(Shot details: Canon 450D. EF-70-300mm F4-5.6L IS USM lens at 252mm, f/6.3, 1/320s, ISO-200.)

By tightly cropping the original photo, I have been able to make up for the greater depth of field at f/6.3 by filling the frame with  the animal. This makes up for the fact that I don't have super telephoto like a 500mm either.

The following photos I've selected from my pre-DSLR days when I used a Canon PowerShot S1 IS. (I still have this camera and take it with me for its video function.) I don't claim any of these photos to be great technically correct ones that could be classified as worthy of competition entries, but rather memorable in terms of the story behind each one.



Schönbrunn Palace, Vienna, 3 July 2008

Overlooking the palace on a hill is a magnificent water feature which adds something extra to the palace.

Halite Crystals. 3 July 2008

One of the museums in Vienna has an amazing collection of rocks and minerals. In a glass cabinet was the biggest collection of perfect halite (sodium chloride) crystals one is likely to ever see. The largest crystals would have been around 60cm. There is also a silica needle around 1.2 m long as well. A truly magnificent collection to take the breathe away!

Still in Austria is the lakeside village of Hallstatt. In my Top 10 blog there is an image taken in the centre of the town. But getting back to the theme of salt, there is a salt mine above the town which had been operating (and still is) for seven thousand years, yes 7,000yrs!

Hallstatt on the way up to the salt mine. 9 July 2008

Farewell to Hallstatt

On the way from Austria to Switzerland in the summer of 2008 we took a short diversion into the Czech Republic through Linz. The attraction being Česky Krumlov. To get there we had to change trains at Česky Budĕjovice. Imagine our surprise when we got to the platform to find 4 vintage carriages which was the connecting service. Shortly after we boarded there was a bump as the loco below hooked on.

The loco on the way to Česky Krumlov

Instead of 45 minutes to Česky Krumlov, it was a two and a half hour trip with large numbers of the spectators who had come out to see this little loco struggling up the hills. What we subsequently found out that every three months on a Sunday afternoon, the vintage train runs to Česky Krumlov.

Česky Krumlov, Czech, 6 July 2008

Lauterbrunnen Valley, Switzerland, 15 July 2008

This shot was taken from the cable car going up from Lauterbrunnen to Grütschalp. From there a train goes to Mürren where we stayed and explored the surrounding mountains.



The Eiger, Monch and Jungfrau. 15 July 2008
taken above Kleiner Scheidegg

This is my first attempt at stitching photos together into a panorama. Not a good job however as I had to crop out the part of the lodge in the foreground in order to make it look like one photo.

Now that I know a bit more about photography and have some better gear, I look forward to my next excursion into The Alps around Mont Blanc and The Matterhorn this summer. Hopefully I will get plenty of photos which show my photography skills have developed.



Cappadocia, Turkey, 27 July 2007.

What a remarkable place! People still live in these houses carved out of the soft volcanic rocks.

The Fairy Chimneys, Cappadocia, 27 July 2007.

An early morning balloon ride over Cappadocia yielded some great sights. A truly memorable day.

Kilchurn Castle, Scotland. 14 August 2009.



Every photo has a story and this one is no exception. On the way from Oban to Edinburgh appearing out of the Scotch mist were these ruins. In order to get this photo and not get the camera and lens wet, I literally had to sit on the gear lever to take it. Rather uncomfortable but worth it as the photo conveys the sense of cool temperatures ( 11°C) and the dampness of course.

The first collection,  and now later  third collection, fourth collection and fifth collections can be found at these links.