In from the cold

Posted by @ 11:26 pm on Saturday 15th December, 2007.
Categories: Astrostuff, Great Escapes, Pics

The Thursday night / Friday morning skies did indeed stay clear, so a session watching the Geminids was on. The car was de-iced, packed and soon I was at the chosen venue. The temperature had dropped to -2 by then, so I donned a fair amount of insulation. There's something weird about dressing like the Michelin Man, complete with buff and balaclava, then walking through a very posh neighbourhood at 11:30 p.m. while carrying a small pack and a reclining chair. It certainly earned me a more than fleeting glance from a couple of car-cops.

I was set up within 20 minutes and soon I was snapping away with the camera. Sitting back while the D50 did its work, I could see that catching these meteors on camera was going to be difficult. There was no shortage of them, indeed for some periods they were showing at a rate of about 50 per hour within my field of view. The problem was that most of them were too fast and they weren't leaving bright trails like the Perseids tend to. I know that I caught at least 50 of them on camera, but, aside from one that left a bright trail, no amount of post-processing of the raw "NEF" files was going to bring out enough detail to make satisfactory images.

I stayed until 02:30, by which time the temperature had dropped to -6 and the camera was frosting up too much to take decent pics (note to self: buy a lens heater-band).

So, here are a few of the resulting images, feel free to mouseover for the annotated versions. There's plenty of room for improvement, I reckon.

Orion and neighbours

 Faint trail in Ursa Major (at the top left)

3 Responses to “In from the cold”

  1. My God, it's full of stars!

    I'm surprised at the f/5.6 aperture. Is there too much light around to use something like f/32? I'm new to this, so am trying to get my head round the best numbers for the jobs. I've not (yet) tried photographing stars.

  2. BG! says:

    [quote comment="400"]I'm surprised at the f/5.6 aperture. Is there too much light around to use something like f/32? I'm new to this, so am trying to get my head round the best numbers for the jobs. I've not (yet) tried photographing stars.[/quote]

    f/5.6 is the biggest aperture that I get on that lens* (18-55 kit lens). f/5.6 > f/32, see http://en.wikipedia.org/wiki/A.....hotography

    *edit: I've just faffed about with the settings and found a different set-up routine that lets me set f/3.5 @ 18mm, f/5.6 @ 55mm. I'll try that next time, unless I find a cheap w/a prime lens soon. Maybe something like a 24mm?

  3. I'll definitely need to give it a go over the Christmas break. Been trying more in Manual mode rather than Aperture Priority mode

Have your say - submit a comment

THE SMALL(ish) PRINT... (updated 23/07/2016)

By submitting a comment to this blog you grant me permission to reproduce its content and to reproduce the submitted name/URL in attribution. I will leave your content in its intended place and in its unedited form unless one or more of the following apply:

If you ask me to modify, move or delete your content, I’ll consider making the requested change(s) so long as there’s no significant alteration of the context of the content or of any debate associated with it;
If you change your email address or URL, I’ll update these details in older comments so that I'm not displaying dead links;
If I decide to change the theme or layout of this blog, thus affecting the placement and/or visibility of comments, I’ll make whatever changes I see fit for the smooth running of this blog;
If any comment contains insulting profanity or other content which I deem to be causing or likely to cause trouble, I’ll edit or delete as I see fit for the smooth running of this blog. I’ll try to remember to display the reason(s) for whatever editing I do, so that folk aren’t left hanging wondering what happened and why. If you can at least try to "disguise" your swearing, it would be much appreciated.

Other things to consider:

Comments must contain at least 3 characters;
You can use some code in comments, feel free to give it a shot and see what works;
If adding pics, the recommended maximum dimension is 600px.;
Comments containing many links will be held for moderation;
I reserve the right to amend this policy in line with proven applicable current legislation;
Free Speech: you may well have the right to it, but you've no right to compel me to a) listen to it, or b) publish it!